Obd2 not connecting to ecu

x2 RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly.May 27, 2022 · Cannot connect to ECU (OBD comunication problems) The car is Impreza GD WRX 2004 (EU). I use good quality VAG-COM cable. My cable and my RR are properly configured, as I used it in the past with success (and no changes since then). In the beginning everything was working like a charm - after connecting the cable, the RR connected to the ECU ... OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... 1996 MERCEDES BENZ E320. 120,000 MILES. Each time I have tried scanning my vehicle for codes using the OBDII scanner, there is a message on the scanner stating that it is unable to communicate with vehicle. There are lots of issues with my car, but I am not able to correct them because of the OBDII issues. I do not want to continue to buy parts ... RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly.The easiest way to check OBD compliance is by the VIN, all cars from 522573 (last digits) are. Some earlier cars (mostly Steppies) indeed use a MEMS3 ECU, but do not have OBD built in and only one o2 sensor fitted. Some OBD readers and diag kits have difficulties in finding the correct communications protocol.here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...How to check the scan tool plug? Examine your scan tool plug and check the pins. There are 16 pins. (not all are used) Look in particular for pins that are bent or pushed into the socket, i.e., a lot shorter than the others. Check for corrosion or debris in the plug. Check the cable itself for damage, and check the plug at the scanner too.Any way I actually made some progress, managed to connect to the ECU using NDS III Lite. It uses the Nissan consult protocol, this works perfectly, reading all sorts of sensors and switches in the Z, definitely not the prettiest app though, there is a paid version with more features and no adds. So I suspect Nissan turned off the normal OBD ...OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... Got this obd com unit. I can connect to it, but not connecting to ECU for data capture to the Torque app. Amazon.com: V1.5 Super Mini ELM327 Bluetooth OBD2 OBD-II CAN-BUS Diagnostic Scanner Tool: Everything Else Any have this issue with a solution would be great to hear! Thanks in advance!Jan 26, 2021 · These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. In most cases, these issues can be rectified and amended to allow you to read the error codes. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. OBD2 not connecting to ECU easy fix, obd port not working. in this vide ill show you the easiest way to repair a broken wire in your cars harness. CHECK OUT ...Once this was replaced, the issue seemed to be resolved until about 150 miles, the same issues occurred. This time around, the Lexus tech's couldn't pull codes due to the ECU not being able to communicate with the scanner. After looking at the ECU, they said they wouldn't touch it until the SAFC2 was removed. Go figure right? This is where I enter.Having issues connecting to the car ECU through OBD2. My dad has a VW Golf MK IV (2001, TDI), and we've been trying to connect to the cars computer using an OBD2 bluetooth connector (one of those $10 ELM347 ( picture) connectors). We plug the connector in, the power led goes red, and we're able to pair up using bluetooth. We turn the ignition on. If your vehicle's engine control unit fails immediately after you connect an OBD2 scanner, you should look past the scanner. Experiencing an ECU failure as a result of an OBD2 scanner is so rare that it has never been confirmed. The reason for this is simple: your OBD2 can't change much in your ECU.1) Overall Test Result "not ready". 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. * When key in position 2, all lights are on includes "check engine". ** In fuse box, no broke fuse fond. *** I have used Ancel AD410 and O'Reilly store's OBDII scanners, both were not communicated to ECU. Any way I actually made some progress, managed to connect to the ECU using NDS III Lite. It uses the Nissan consult protocol, this works perfectly, reading all sorts of sensors and switches in the Z, definitely not the prettiest app though, there is a paid version with more features and no adds. So I suspect Nissan turned off the normal OBD ...Dec 14, 2007 · It has happened in the past, but with vag-com mechanic was able to reset codes and throttle would work fine. Check engine light is on, and the code showing before the obd 2 connector stop communicating was about a speed sensor. Catalytic converter has been welded, but check engine light was off after the weld job. Colorful Jumper Cable DB25 for GODIAG GT100 ECU Connector OBD2 Break Out Box. New. $14.95. Free shipping. Seller 100% positive.I've tried both OBD devices with 2-3 different apps (including Torque Pro). Here's a screenshot from one of them that tries to connect to the ECU (After 10-15 minutes of waiting I closed the application) It seems like Toyota cars have some sort of setting that restricts the connection between OBD and ECU.1996 MERCEDES BENZ E320. 120,000 MILES. Each time I have tried scanning my vehicle for codes using the OBDII scanner, there is a message on the scanner stating that it is unable to communicate with vehicle. There are lots of issues with my car, but I am not able to correct them because of the OBDII issues. I do not want to continue to buy parts ... Feb 26, 2020 · chrisghemm. I just got a BAFX OBD2 scanner to be used for my 2007 Odyssey EX. Used multiple app Torque Lite, Torque Pro, MotorData, CarScanner, Piston and all of them can connect to the BAFX scanner but would stop and say could not communicate with the ECU. I know that the scanner is good as I tried it on my 2005 Corolla and it was able to ... The previous owner tried to piggyback off OBD power line, clipped through the cable, leaving 1/8" stub. Replaced OBD port, re-soldered all wires, have power, but got message that it is not connecting to ECU. (OBD program (Torque) sees chip code for OBD reader, shows power to reader.) What else could be wrong?Jul 16, 2021 · mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ? Among the things to try is to try resetting everything then connect again. For example, try turning the connection off on the phone, then erase all old connections or purge the cache of the wiki if possible, then plug the reader and about 30 sec later (give it a few seconds to wake up) turn on the wifi on the phone and try connecting again.I was able to sync/connect with the bluetooth OBD2 plugin, and Torque Pro seems to be endlessly cycling through protocols to try to connect, but never does. They symbol for "vehicle" just keeps flashing. I added the Ford Powerstroke PID's and did everything else suggested.Having issues connecting to the car ECU through OBD2. My dad has a VW Golf MK IV (2001, TDI), and we've been trying to connect to the cars computer using an OBD2 bluetooth connector (one of those $10 ELM347 ( picture) connectors). We plug the connector in, the power led goes red, and we're able to pair up using bluetooth. We turn the ignition on. Jun 20, 2016 · Ringing @Jimmyh. Check these three fuses IGN, IG1 and IG1 NO2 in the inside fuse panel. Check these four Fuses OBD, OBD-B, EFI, and EFI NO2 under the hood fuse panel. And as stated above the OBD2 Tool must be Can Bus capable. Jimmyh, Jul 3, 2016. Jan 26, 2021 · These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. In most cases, these issues can be rectified and amended to allow you to read the error codes. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. Dec 14, 2007 · It has happened in the past, but with vag-com mechanic was able to reset codes and throttle would work fine. Check engine light is on, and the code showing before the obd 2 connector stop communicating was about a speed sensor. Catalytic converter has been welded, but check engine light was off after the weld job. Sep 16, 2015 · RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly. In the beginning everything was working like a charm - after connecting the cable, the RR connected to the ECU with no problem and I was able to log all params, use learning view, etc. Afer a while I started encountering problems with interruptions during logging and also with connecting to ECU at all. I could connect to ECU only 1 in 10 times.If your vehicle's engine control unit fails immediately after you connect an OBD2 scanner, you should look past the scanner. Experiencing an ECU failure as a result of an OBD2 scanner is so rare that it has never been confirmed. The reason for this is simple: your OBD2 can't change much in your ECU.The very first thing that you need to do is shut off the gadget that you're making an attempt to join your scanner to. Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in.chrisghemm. I just got a BAFX OBD2 scanner to be used for my 2007 Odyssey EX. Used multiple app Torque Lite, Torque Pro, MotorData, CarScanner, Piston and all of them can connect to the BAFX scanner but would stop and say could not communicate with the ECU. I know that the scanner is good as I tried it on my 2005 Corolla and it was able to ...Jan 20, 2019 · 4 different scanners, all verified to work on other vehicles, but none will connect to my ECU. All scanners power up. I have no coins in my cigarette lighter port. I have power to pin 16, pins 4&5 are both ground, and OBD2 pin2 is wired to the ECU pin58 on the blue connector. Feb 20, 2022 · Wife’s car is a R52 Cooper 2006. Not had long and so far it’s had oil, oil filter, air filter, anti freeze and plug changed. drives nice but have found that the OBD has a problem. So far I’ve checked the scan tool is working as used in a second car, all the OBD pins are on and pushed in... If your vehicle's engine control unit fails immediately after you connect an OBD2 scanner, you should look past the scanner. Experiencing an ECU failure as a result of an OBD2 scanner is so rare that it has never been confirmed. The reason for this is simple: your OBD2 can't change much in your ECU.Afterward try checking the fuses and see if they are working fine. If there is a bad fuse, you will continue receiving the error when you link the obd2 to the computer. Get it replaced so that you can detect the error codes and allow them to be displayed. In addition, one of the computers might be the problem.Apr 07, 2011 · This was a vehicle I picked up...it was not my own so it couldve been a prior problem. I traced all wires from the OBD connection to where they went. The only one that wasnt connected was a wire going to the radio. There is no radio in the vehicle. I purchased the ecm from a handa/acura parts yard gauranteed good. May 18, 2019 · Blown Fuse. If you've plugged into your car's diagnostic port and aren't reading anything, you might think that your OBD-II brain has been fried, but don't declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse. On many cars, the engine control module (ECM)—also called the engine control unit or electronic ... Sep 16, 2015 · RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly. Jun 28, 2021 · Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in. If you see one thing that you just assume could also be an error, then you should have to eliminate it. OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...OBD Won’t Connect To ECU – Solved Computers are great most of the time, but when they don’t work, they’re a pain in the jacksie. Hooking up the scan tool only to be greeted with no communication is frustrating!!! OBD scanners fail to connect for 3 common reasons: Faulty OBD plug/socket Scanner not compatible CAN network fault Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... Mar 24, 2020 · I've tried both OBD devices with 2-3 different apps (including Torque Pro). Here's a screenshot from one of them that tries to connect to the ECU (After 10-15 minutes of waiting I closed the application) It seems like Toyota cars have some sort of setting that restricts the connection between OBD and ECU. Jul 16, 2021 · mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ? Break in the harness between the OBD2 connector and the ECU. One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool's OBD2 cable can't make contact. This is easy to do with a probe if you're not careful.Jul 03, 2006 · The first one i got was the Inova 3100 which could not connect to the ecu at all.. The second scanner which was the Inova 3110F which is the obdII CAN reader which is able to connect to the ecu and read codes. To my knowlege, the ecu has not been swapped out at all since i bought the car new. Just reflashed by 3 ecutek tuners. Dec 14, 2007 · It has happened in the past, but with vag-com mechanic was able to reset codes and throttle would work fine. Check engine light is on, and the code showing before the obd 2 connector stop communicating was about a speed sensor. Catalytic converter has been welded, but check engine light was off after the weld job. Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly.OBDII can be powered on, but can not communicated to ECU PETER HOU MEMBER 2000 MERCEDES BENZ ML320 3.5L 6 CYL AUTOMATIC 70,222 MILES "Check engine" light on with all other lights when key in position 2. No broke fuse found. After smoke check I got a report: 1) Overall Test Result "not ready".Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... If your vehicle's engine control unit fails immediately after you connect an OBD2 scanner, you should look past the scanner. Experiencing an ECU failure as a result of an OBD2 scanner is so rare that it has never been confirmed. The reason for this is simple: your OBD2 can't change much in your ECU.Jul 03, 2006 · The first one i got was the Inova 3100 which could not connect to the ecu at all.. The second scanner which was the Inova 3110F which is the obdII CAN reader which is able to connect to the ecu and read codes. To my knowlege, the ecu has not been swapped out at all since i bought the car new. Just reflashed by 3 ecutek tuners. Got this obd com unit. I can connect to it, but not connecting to ECU for data capture to the Torque app. Amazon.com: V1.5 Super Mini ELM327 Bluetooth OBD2 OBD-II CAN-BUS Diagnostic Scanner Tool: Everything Else Any have this issue with a solution would be great to hear! Thanks in advance!Oct 29, 2018 · If the scan tool does not receive data from an OBD II vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly. With the ignition on, the voltage drop across the ground ... Apr 01, 2020 · Registered. Joined Dec 11, 2018. 375 Posts. #3 · Apr 1, 2020. See if the bmw dealer can communicate with it with the proper reader. If not, then issue is likely physical, aka wiring or connector fittings at the obd2 port. C. I've tried both OBD devices with 2-3 different apps (including Torque Pro). Here's a screenshot from one of them that tries to connect to the ECU (After 10-15 minutes of waiting I closed the application) It seems like Toyota cars have some sort of setting that restricts the connection between OBD and ECU.Here's the step:. STEP 1: Plug KESS into car's OBD-II port. STEP 2: Plug KESS into laptop's USB port. STEP 3: Launch KESS software. STEP 4: Read/Write data to vehicles EEPROM ECU chip. What's more, tuning/remapping is completely safe because you can backup and restore original ECU data back to car in 1-click.Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... Among the things to try is to try resetting everything then connect again. For example, try turning the connection off on the phone, then erase all old connections or purge the cache of the wiki if possible, then plug the reader and about 30 sec later (give it a few seconds to wake up) turn on the wifi on the phone and try connecting again.With the same Bluetooth adapter and with the same laptop, will other OBD II software connect to the car. If the Generic OBD II software does not connect to the car, there is either a problem with the car or the OBD Bluetooth failed. Make sure all the PINs in the OBD DLC are correct and not damaged. Do not ask for help in PM.here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...Break in the harness between the OBD2 connector and the ECU. One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool's OBD2 cable can't make contact. This is easy to do with a probe if you're not careful.Apr 08, 2007 · I went to get my emissions done on my k20a2 EM2 and there is a connection issue for my OBD2 and the ECU. The DEQ emissions computer could not connect with my cars computer, and therefore failed the test. I looked for any obvious disconnected wires and have not seen anything. I am running the RSX-S ECU (PRB), with HASport wiring harnesses ... Jan 20, 2019 · 4 different scanners, all verified to work on other vehicles, but none will connect to my ECU. All scanners power up. I have no coins in my cigarette lighter port. I have power to pin 16, pins 4&5 are both ground, and OBD2 pin2 is wired to the ECU pin58 on the blue connector. Jan 26, 2021 · These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. In most cases, these issues can be rectified and amended to allow you to read the error codes. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. 1) Overall Test Result "not ready". 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. * When key in position 2, all lights are on includes "check engine". ** In fuse box, no broke fuse fond. *** I have used Ancel AD410 and O'Reilly store's OBDII scanners, both were not communicated to ECU. Jun 10, 2022 · If your OBD2 scanner is not communicating, you can try these solutions to fix the issue: 1. Check Fuse Box. Your vehicle’s ECU needs the power to function properly. It receives power from your car/truck battery which is connected via a fuse. The fuse is used to prevent the parts damaged due to a sudden hike in voltage. Apr 07, 2011 · This was a vehicle I picked up...it was not my own so it couldve been a prior problem. I traced all wires from the OBD connection to where they went. The only one that wasnt connected was a wire going to the radio. There is no radio in the vehicle. I purchased the ecm from a handa/acura parts yard gauranteed good. Apr 07, 2011 · This was a vehicle I picked up...it was not my own so it couldve been a prior problem. I traced all wires from the OBD connection to where they went. The only one that wasnt connected was a wire going to the radio. There is no radio in the vehicle. I purchased the ecm from a handa/acura parts yard gauranteed good. Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... Feb 20, 2022 · Wife’s car is a R52 Cooper 2006. Not had long and so far it’s had oil, oil filter, air filter, anti freeze and plug changed. drives nice but have found that the OBD has a problem. So far I’ve checked the scan tool is working as used in a second car, all the OBD pins are on and pushed in... Dec 11, 2018 · Two different $20 amazon special bluetooth scanners and one hard wired scanner (Autel). All verified to work on other vehicles but will not connect to my ECU. OBD2 port has constant +12V, both grounds are good and the data wire has continuity to the ECU plug. Using an OBDII scan tool to communicate with vehicle ECU is generally considered pretty straightforward task. However, on some rare occasions certain issues can make connection and communicating to the system troublesome. An experienced automotive technician understand that communication issues can be caused by various Jul 16, 2021 · mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ? here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...Got this obd com unit. I can connect to it, but not connecting to ECU for data capture to the Torque app. Amazon.com: V1.5 Super Mini ELM327 Bluetooth OBD2 OBD-II CAN-BUS Diagnostic Scanner Tool: Everything Else Any have this issue with a solution would be great to hear! Thanks in advance!Once this was replaced, the issue seemed to be resolved until about 150 miles, the same issues occurred. This time around, the Lexus tech's couldn't pull codes due to the ECU not being able to communicate with the scanner. After looking at the ECU, they said they wouldn't touch it until the SAFC2 was removed. Go figure right? This is where I enter.Dec 11, 2018 · Two different $20 amazon special bluetooth scanners and one hard wired scanner (Autel). All verified to work on other vehicles but will not connect to my ECU. OBD2 port has constant +12V, both grounds are good and the data wire has continuity to the ECU plug. Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... Jun 28, 2021 · Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in. If you see one thing that you just assume could also be an error, then you should have to eliminate it. Apr 07, 2011 · This was a vehicle I picked up...it was not my own so it couldve been a prior problem. I traced all wires from the OBD connection to where they went. The only one that wasnt connected was a wire going to the radio. There is no radio in the vehicle. I purchased the ecm from a handa/acura parts yard gauranteed good. 1) Overall Test Result "not ready". 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. * When key in position 2, all lights are on includes "check engine". ** In fuse box, no broke fuse fond. *** I have used Ancel AD410 and O'Reilly store's OBDII scanners, both were not communicated to ECU. The easiest way to check OBD compliance is by the VIN, all cars from 522573 (last digits) are. Some earlier cars (mostly Steppies) indeed use a MEMS3 ECU, but do not have OBD built in and only one o2 sensor fitted. Some OBD readers and diag kits have difficulties in finding the correct communications protocol.The very first thing that you need to do is shut off the gadget that you're making an attempt to join your scanner to. Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in.I've tried both OBD devices with 2-3 different apps (including Torque Pro). Here's a screenshot from one of them that tries to connect to the ECU (After 10-15 minutes of waiting I closed the application) It seems like Toyota cars have some sort of setting that restricts the connection between OBD and ECU.OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO...ECU not connecting for obd2 scan. Jump to Latest Follow 1 - 11 of 11 Posts. H. hondatuner1320 · Registered. Joined Aug 4, 2005 · 192 Posts . Discussion Starter · #1 · Jan 10, 2007. Only show this user ...RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly.Oct 29, 2018 · If the scan tool does not receive data from an OBD II vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly. With the ignition on, the voltage drop across the ground ... How to check the scan tool plug? Examine your scan tool plug and check the pins. There are 16 pins. (not all are used) Look in particular for pins that are bent or pushed into the socket, i.e., a lot shorter than the others. Check for corrosion or debris in the plug. Check the cable itself for damage, and check the plug at the scanner too.OBD2 not connecting to ECU easy fix, obd port not working. in this vide ill show you the easiest way to repair a broken wire in your cars harness. CHECK OUT ... Afterward try checking the fuses and see if they are working fine. If there is a bad fuse, you will continue receiving the error when you link the obd2 to the computer. Get it replaced so that you can detect the error codes and allow them to be displayed. In addition, one of the computers might be the problem.Feb 20, 2022 · Wife’s car is a R52 Cooper 2006. Not had long and so far it’s had oil, oil filter, air filter, anti freeze and plug changed. drives nice but have found that the OBD has a problem. So far I’ve checked the scan tool is working as used in a second car, all the OBD pins are on and pushed in... Any way I actually made some progress, managed to connect to the ECU using NDS III Lite. It uses the Nissan consult protocol, this works perfectly, reading all sorts of sensors and switches in the Z, definitely not the prettiest app though, there is a paid version with more features and no adds. So I suspect Nissan turned off the normal OBD ...Here's the step:. STEP 1: Plug KESS into car's OBD-II port. STEP 2: Plug KESS into laptop's USB port. STEP 3: Launch KESS software. STEP 4: Read/Write data to vehicles EEPROM ECU chip. What's more, tuning/remapping is completely safe because you can backup and restore original ECU data back to car in 1-click.I bought a cheap OBDII adapter (ELM327 V1.5 interface) from eBay. I can connect to the OBDII adapter using the multiple software. But every software result is same saying unable to connect ECU. Any experts here could help me on this, please? And one more important thing I have recently noticed is...Dec 14, 2007 · It has happened in the past, but with vag-com mechanic was able to reset codes and throttle would work fine. Check engine light is on, and the code showing before the obd 2 connector stop communicating was about a speed sensor. Catalytic converter has been welded, but check engine light was off after the weld job. Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... Nov 01, 2011 · Pin 16 = power. Pin 4 = chassis ground. Pin 5 = signal ground. Some scan tools require adapters or cards depending on manufacturer of vehicle, but I've only seen this on high end scan tools. Scan tools do malfunction. Sometimes you have to unplug and plug back in, turn ignition on/off, turn scan tool on/off, etc... 1996 MERCEDES BENZ E320. 120,000 MILES. Each time I have tried scanning my vehicle for codes using the OBDII scanner, there is a message on the scanner stating that it is unable to communicate with vehicle. There are lots of issues with my car, but I am not able to correct them because of the OBDII issues. I do not want to continue to buy parts ... Oct 29, 2018 · If the scan tool does not receive data from an OBD II vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly. With the ignition on, the voltage drop across the ground ... Jan 20, 2019 · 4 different scanners, all verified to work on other vehicles, but none will connect to my ECU. All scanners power up. I have no coins in my cigarette lighter port. I have power to pin 16, pins 4&5 are both ground, and OBD2 pin2 is wired to the ECU pin58 on the blue connector. OBD Won’t Connect To ECU – Solved Computers are great most of the time, but when they don’t work, they’re a pain in the jacksie. Hooking up the scan tool only to be greeted with no communication is frustrating!!! OBD scanners fail to connect for 3 common reasons: Faulty OBD plug/socket Scanner not compatible CAN network fault Nov 01, 2011 · Pin 16 = power. Pin 4 = chassis ground. Pin 5 = signal ground. Some scan tools require adapters or cards depending on manufacturer of vehicle, but I've only seen this on high end scan tools. Scan tools do malfunction. Sometimes you have to unplug and plug back in, turn ignition on/off, turn scan tool on/off, etc... With the same Bluetooth adapter and with the same laptop, will other OBD II software connect to the car. If the Generic OBD II software does not connect to the car, there is either a problem with the car or the OBD Bluetooth failed. Make sure all the PINs in the OBD DLC are correct and not damaged. Do not ask for help in PM.OBD2 not connecting to ECU easy fix, obd port not working. in this vide ill show you the easiest way to repair a broken wire in your cars harness. CHECK OUT ... here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...ECU not connecting for obd2 scan. Jump to Latest Follow 1 - 11 of 11 Posts. H. hondatuner1320 · Registered. Joined Aug 4, 2005 · 192 Posts . Discussion Starter · #1 · Jan 10, 2007. Only show this user ...Here's the step:. STEP 1: Plug KESS into car's OBD-II port. STEP 2: Plug KESS into laptop's USB port. STEP 3: Launch KESS software. STEP 4: Read/Write data to vehicles EEPROM ECU chip. What's more, tuning/remapping is completely safe because you can backup and restore original ECU data back to car in 1-click.I bought a cheap OBDII adapter (ELM327 V1.5 interface) from eBay. I can connect to the OBDII adapter using the multiple software. But every software result is same saying unable to connect ECU. Any experts here could help me on this, please? And one more important thing I have recently noticed is...Jan 10, 2007 · Ok, so i been throwing a check light for awhile now, started doing it when i got a new tranny put in. it used to occasionally throw it in the rain and run funny, now its always on and it does that in the rain still sometimes but the light goes off when it does it now. i tried running an obd2 scan on it, the scanner said thers a connection ... Feb 20, 2022 · Wife’s car is a R52 Cooper 2006. Not had long and so far it’s had oil, oil filter, air filter, anti freeze and plug changed. drives nice but have found that the OBD has a problem. So far I’ve checked the scan tool is working as used in a second car, all the OBD pins are on and pushed in... I've tried both OBD devices with 2-3 different apps (including Torque Pro). Here's a screenshot from one of them that tries to connect to the ECU (After 10-15 minutes of waiting I closed the application) It seems like Toyota cars have some sort of setting that restricts the connection between OBD and ECU.Jul 16, 2021 · mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ? mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ?Dec 14, 2007 · It has happened in the past, but with vag-com mechanic was able to reset codes and throttle would work fine. Check engine light is on, and the code showing before the obd 2 connector stop communicating was about a speed sensor. Catalytic converter has been welded, but check engine light was off after the weld job. RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly.Jan 20, 2019 · 4 different scanners, all verified to work on other vehicles, but none will connect to my ECU. All scanners power up. I have no coins in my cigarette lighter port. I have power to pin 16, pins 4&5 are both ground, and OBD2 pin2 is wired to the ECU pin58 on the blue connector. How to check the scan tool plug? Examine your scan tool plug and check the pins. There are 16 pins. (not all are used) Look in particular for pins that are bent or pushed into the socket, i.e., a lot shorter than the others. Check for corrosion or debris in the plug. Check the cable itself for damage, and check the plug at the scanner too.Jul 16, 2021 · mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ? Break in the harness between the OBD2 connector and the ECU. One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool's OBD2 cable can't make contact. This is easy to do with a probe if you're not careful.The easiest way to check OBD compliance is by the VIN, all cars from 522573 (last digits) are. Some earlier cars (mostly Steppies) indeed use a MEMS3 ECU, but do not have OBD built in and only one o2 sensor fitted. Some OBD readers and diag kits have difficulties in finding the correct communications protocol.How to check the scan tool plug? Examine your scan tool plug and check the pins. There are 16 pins. (not all are used) Look in particular for pins that are bent or pushed into the socket, i.e., a lot shorter than the others. Check for corrosion or debris in the plug. Check the cable itself for damage, and check the plug at the scanner too.Jun 20, 2016 · Ringing @Jimmyh. Check these three fuses IGN, IG1 and IG1 NO2 in the inside fuse panel. Check these four Fuses OBD, OBD-B, EFI, and EFI NO2 under the hood fuse panel. And as stated above the OBD2 Tool must be Can Bus capable. Jimmyh, Jul 3, 2016. Using an OBDII scan tool to communicate with vehicle ECU is generally considered pretty straightforward task. However, on some rare occasions certain issues can make connection and communicating to the system troublesome. An experienced automotive technician understand that communication issues can be caused by various OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... Colorful Jumper Cable DB25 for GODIAG GT100 ECU Connector OBD2 Break Out Box. New. $14.95. Free shipping. Seller 100% positive.Having issues connecting to the car ECU through OBD2. My dad has a VW Golf MK IV (2001, TDI), and we've been trying to connect to the cars computer using an OBD2 bluetooth connector (one of those $10 ELM347 ( picture) connectors). We plug the connector in, the power led goes red, and we're able to pair up using bluetooth. We turn the ignition on. Colorful Jumper Cable DB25 for GODIAG GT100 ECU Connector OBD2 Break Out Box. New. $14.95. Free shipping. Seller 100% positive.Jan 20, 2019 · 4 different scanners, all verified to work on other vehicles, but none will connect to my ECU. All scanners power up. I have no coins in my cigarette lighter port. I have power to pin 16, pins 4&5 are both ground, and OBD2 pin2 is wired to the ECU pin58 on the blue connector. Sep 16, 2015 · RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly. 1) Overall Test Result "not ready". 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. * When key in position 2, all lights are on includes "check engine". ** In fuse box, no broke fuse fond. *** I have used Ancel AD410 and O'Reilly store's OBDII scanners, both were not communicated to ECU. Jan 26, 2021 · These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. In most cases, these issues can be rectified and amended to allow you to read the error codes. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. Jun 20, 2012 · One possibility is the OBD connector, at pin 16, which is always connected to the system. Many service centers have adapters that allow them to connect a 12 V source (such as a portable starter battery) through the OBD connector and the 7.5 Amp fuse. This works, as long as there is nothing turned on in the car. OBDII can be powered on, but can not communicated to ECU PETER HOU MEMBER 2000 MERCEDES BENZ ML320 3.5L 6 CYL AUTOMATIC 70,222 MILES "Check engine" light on with all other lights when key in position 2. No broke fuse found. After smoke check I got a report: 1) Overall Test Result "not ready".May 27, 2022 · Cannot connect to ECU (OBD comunication problems) The car is Impreza GD WRX 2004 (EU). I use good quality VAG-COM cable. My cable and my RR are properly configured, as I used it in the past with success (and no changes since then). In the beginning everything was working like a charm - after connecting the cable, the RR connected to the ECU ... 1) Overall Test Result "not ready". 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. * When key in position 2, all lights are on includes "check engine". ** In fuse box, no broke fuse fond. *** I have used Ancel AD410 and O'Reilly store's OBDII scanners, both were not communicated to ECU. Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... Jun 20, 2016 · Ringing @Jimmyh. Check these three fuses IGN, IG1 and IG1 NO2 in the inside fuse panel. Check these four Fuses OBD, OBD-B, EFI, and EFI NO2 under the hood fuse panel. And as stated above the OBD2 Tool must be Can Bus capable. Jimmyh, Jul 3, 2016. Colorful Jumper Cable DB25 for GODIAG GT100 ECU Connector OBD2 Break Out Box. New. $14.95. Free shipping. Seller 100% positive.Once this was replaced, the issue seemed to be resolved until about 150 miles, the same issues occurred. This time around, the Lexus tech's couldn't pull codes due to the ECU not being able to communicate with the scanner. After looking at the ECU, they said they wouldn't touch it until the SAFC2 was removed. Go figure right? This is where I enter.Using an OBDII scan tool to communicate with vehicle ECU is generally considered pretty straightforward task. However, on some rare occasions certain issues can make connection and communicating to the system troublesome. An experienced automotive technician understand that communication issues can be caused by various Got this obd com unit. I can connect to it, but not connecting to ECU for data capture to the Torque app. Amazon.com: V1.5 Super Mini ELM327 Bluetooth OBD2 OBD-II CAN-BUS Diagnostic Scanner Tool: Everything Else Any have this issue with a solution would be great to hear! Thanks in advance!Among the things to try is to try resetting everything then connect again. For example, try turning the connection off on the phone, then erase all old connections or purge the cache of the wiki if possible, then plug the reader and about 30 sec later (give it a few seconds to wake up) turn on the wifi on the phone and try connecting again.OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... I had the same sort of connection problem, would not connect to ECU. Just by chance I worked out this procedure that seems to work: 1. Car not running, ignition OFF. 2. Plug in interface to car. 3. Bluetooth on phone ON. Interface paired. 4. Turn on torque. It will quickly show a Bluetooth connection but will not connect to the ECU. 5. Jun 20, 2012 · One possibility is the OBD connector, at pin 16, which is always connected to the system. Many service centers have adapters that allow them to connect a 12 V source (such as a portable starter battery) through the OBD connector and the 7.5 Amp fuse. This works, as long as there is nothing turned on in the car. Colorful Jumper Cable DB25 for GODIAG GT100 ECU Connector OBD2 Break Out Box. New. $14.95. Free shipping. Seller 100% positive.Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... The easiest way to check OBD compliance is by the VIN, all cars from 522573 (last digits) are. Some earlier cars (mostly Steppies) indeed use a MEMS3 ECU, but do not have OBD built in and only one o2 sensor fitted. Some OBD readers and diag kits have difficulties in finding the correct communications protocol.May 27, 2022 · Cannot connect to ECU (OBD comunication problems) The car is Impreza GD WRX 2004 (EU). I use good quality VAG-COM cable. My cable and my RR are properly configured, as I used it in the past with success (and no changes since then). In the beginning everything was working like a charm - after connecting the cable, the RR connected to the ECU ... Afterward try checking the fuses and see if they are working fine. If there is a bad fuse, you will continue receiving the error when you link the obd2 to the computer. Get it replaced so that you can detect the error codes and allow them to be displayed. In addition, one of the computers might be the problem. In the beginning everything was working like a charm - after connecting the cable, the RR connected to the ECU with no problem and I was able to log all params, use learning view, etc. Afer a while I started encountering problems with interruptions during logging and also with connecting to ECU at all. I could connect to ECU only 1 in 10 times.Sep 16, 2015 · RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly. Apr 07, 2011 · This was a vehicle I picked up...it was not my own so it couldve been a prior problem. I traced all wires from the OBD connection to where they went. The only one that wasnt connected was a wire going to the radio. There is no radio in the vehicle. I purchased the ecm from a handa/acura parts yard gauranteed good. Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... OBD Won’t Connect To ECU – Solved Computers are great most of the time, but when they don’t work, they’re a pain in the jacksie. Hooking up the scan tool only to be greeted with no communication is frustrating!!! OBD scanners fail to connect for 3 common reasons: Faulty OBD plug/socket Scanner not compatible CAN network fault Jun 20, 2012 · One possibility is the OBD connector, at pin 16, which is always connected to the system. Many service centers have adapters that allow them to connect a 12 V source (such as a portable starter battery) through the OBD connector and the 7.5 Amp fuse. This works, as long as there is nothing turned on in the car. mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ?Break in the harness between the OBD2 connector and the ECU. One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool's OBD2 cable can't make contact. This is easy to do with a probe if you're not careful.RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly.I've tried both OBD devices with 2-3 different apps (including Torque Pro). Here's a screenshot from one of them that tries to connect to the ECU (After 10-15 minutes of waiting I closed the application) It seems like Toyota cars have some sort of setting that restricts the connection between OBD and ECU.May 27, 2022 · Cannot connect to ECU (OBD comunication problems) The car is Impreza GD WRX 2004 (EU). I use good quality VAG-COM cable. My cable and my RR are properly configured, as I used it in the past with success (and no changes since then). In the beginning everything was working like a charm - after connecting the cable, the RR connected to the ECU ... I have tried with four different obd scanners but everyone is showing an error saying VIN code not found or generally just not connecting to ecu. I have went through every fuse in the car and nothing is broken. I really need help and I would be grateful if someone could help me. D dharmabmw Registered Joined Jul 4, 2014 3,296 Posts #2 · Apr 1, 2020Apr 01, 2020 · Registered. Joined Dec 11, 2018. 375 Posts. #3 · Apr 1, 2020. See if the bmw dealer can communicate with it with the proper reader. If not, then issue is likely physical, aka wiring or connector fittings at the obd2 port. C. The very first thing that you need to do is shut off the gadget that you're making an attempt to join your scanner to. Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in.If the fuses are ok, disconnect the battery negative terminal and check resistance at pins 6 and 14 of the OBDII connector. 2. level 2. angstamongthepigeons. Op · 8y. From what I recall there was no wire running to the pin 14 of the obd connector of the car at all. Only wires are at the pins I tested at. here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...Once this was replaced, the issue seemed to be resolved until about 150 miles, the same issues occurred. This time around, the Lexus tech's couldn't pull codes due to the ECU not being able to communicate with the scanner. After looking at the ECU, they said they wouldn't touch it until the SAFC2 was removed. Go figure right? This is where I enter.Colorful Jumper Cable DB25 for GODIAG GT100 ECU Connector OBD2 Break Out Box. New. $14.95. Free shipping. Seller 100% positive.Apr 08, 2007 · I went to get my emissions done on my k20a2 EM2 and there is a connection issue for my OBD2 and the ECU. The DEQ emissions computer could not connect with my cars computer, and therefore failed the test. I looked for any obvious disconnected wires and have not seen anything. I am running the RSX-S ECU (PRB), with HASport wiring harnesses ... The very first thing that you need to do is shut off the gadget that you're making an attempt to join your scanner to. Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in.OBDII can be powered on, but can not communicated to ECU PETER HOU MEMBER 2000 MERCEDES BENZ ML320 3.5L 6 CYL AUTOMATIC 70,222 MILES "Check engine" light on with all other lights when key in position 2. No broke fuse found. After smoke check I got a report: 1) Overall Test Result "not ready".Apr 08, 2007 · I went to get my emissions done on my k20a2 EM2 and there is a connection issue for my OBD2 and the ECU. The DEQ emissions computer could not connect with my cars computer, and therefore failed the test. I looked for any obvious disconnected wires and have not seen anything. I am running the RSX-S ECU (PRB), with HASport wiring harnesses ... If your vehicle's engine control unit fails immediately after you connect an OBD2 scanner, you should look past the scanner. Experiencing an ECU failure as a result of an OBD2 scanner is so rare that it has never been confirmed. The reason for this is simple: your OBD2 can't change much in your ECU.May 18, 2019 · Blown Fuse. If you've plugged into your car's diagnostic port and aren't reading anything, you might think that your OBD-II brain has been fried, but don't declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse. On many cars, the engine control module (ECM)—also called the engine control unit or electronic ... chrisghemm. I just got a BAFX OBD2 scanner to be used for my 2007 Odyssey EX. Used multiple app Torque Lite, Torque Pro, MotorData, CarScanner, Piston and all of them can connect to the BAFX scanner but would stop and say could not communicate with the ECU. I know that the scanner is good as I tried it on my 2005 Corolla and it was able to ...OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... Oct 29, 2018 · If the scan tool does not receive data from an OBD II vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly. With the ignition on, the voltage drop across the ground ... With the same Bluetooth adapter and with the same laptop, will other OBD II software connect to the car. If the Generic OBD II software does not connect to the car, there is either a problem with the car or the OBD Bluetooth failed. Make sure all the PINs in the OBD DLC are correct and not damaged. Do not ask for help in PM.Jan 26, 2021 · These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. In most cases, these issues can be rectified and amended to allow you to read the error codes. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... Jun 28, 2021 · Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in. If you see one thing that you just assume could also be an error, then you should have to eliminate it. here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...How to check the scan tool plug? Examine your scan tool plug and check the pins. There are 16 pins. (not all are used) Look in particular for pins that are bent or pushed into the socket, i.e., a lot shorter than the others. Check for corrosion or debris in the plug. Check the cable itself for damage, and check the plug at the scanner too.Dec 14, 2007 · It has happened in the past, but with vag-com mechanic was able to reset codes and throttle would work fine. Check engine light is on, and the code showing before the obd 2 connector stop communicating was about a speed sensor. Catalytic converter has been welded, but check engine light was off after the weld job. Jan 10, 2007 · Ok, so i been throwing a check light for awhile now, started doing it when i got a new tranny put in. it used to occasionally throw it in the rain and run funny, now its always on and it does that in the rain still sometimes but the light goes off when it does it now. i tried running an obd2 scan on it, the scanner said thers a connection ... Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... Jul 16, 2021 · mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ? Jun 20, 2012 · One possibility is the OBD connector, at pin 16, which is always connected to the system. Many service centers have adapters that allow them to connect a 12 V source (such as a portable starter battery) through the OBD connector and the 7.5 Amp fuse. This works, as long as there is nothing turned on in the car. If your vehicle's engine control unit fails immediately after you connect an OBD2 scanner, you should look past the scanner. Experiencing an ECU failure as a result of an OBD2 scanner is so rare that it has never been confirmed. The reason for this is simple: your OBD2 can't change much in your ECU.Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... Feb 20, 2022 · Wife’s car is a R52 Cooper 2006. Not had long and so far it’s had oil, oil filter, air filter, anti freeze and plug changed. drives nice but have found that the OBD has a problem. So far I’ve checked the scan tool is working as used in a second car, all the OBD pins are on and pushed in... I bought a cheap OBDII adapter (ELM327 V1.5 interface) from eBay. I can connect to the OBDII adapter using the multiple software. But every software result is same saying unable to connect ECU. Any experts here could help me on this, please? And one more important thing I have recently noticed is...Break in the harness between the OBD2 connector and the ECU. One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool's OBD2 cable can't make contact. This is easy to do with a probe if you're not careful.Apr 01, 2020 · Registered. Joined Dec 11, 2018. 375 Posts. #3 · Apr 1, 2020. See if the bmw dealer can communicate with it with the proper reader. If not, then issue is likely physical, aka wiring or connector fittings at the obd2 port. C. Dec 14, 2007 · It has happened in the past, but with vag-com mechanic was able to reset codes and throttle would work fine. Check engine light is on, and the code showing before the obd 2 connector stop communicating was about a speed sensor. Catalytic converter has been welded, but check engine light was off after the weld job. I bought a cheap OBDII adapter (ELM327 V1.5 interface) from eBay. I can connect to the OBDII adapter using the multiple software. But every software result is same saying unable to connect ECU. Any experts here could help me on this, please? And one more important thing I have recently noticed is...OBD2 scanner won't connect to ECU follow these easy steps, try these steps to see if this is why your scanner won't pull any codes.CHECK OUT OUR WEB SITE FO... Jun 20, 2012 · One possibility is the OBD connector, at pin 16, which is always connected to the system. Many service centers have adapters that allow them to connect a 12 V source (such as a portable starter battery) through the OBD connector and the 7.5 Amp fuse. This works, as long as there is nothing turned on in the car. If the fuses are ok, disconnect the battery negative terminal and check resistance at pins 6 and 14 of the OBDII connector. 2. level 2. angstamongthepigeons. Op · 8y. From what I recall there was no wire running to the pin 14 of the obd connector of the car at all. Only wires are at the pins I tested at. I have tried with four different obd scanners but everyone is showing an error saying VIN code not found or generally just not connecting to ecu. I have went through every fuse in the car and nothing is broken. I really need help and I would be grateful if someone could help me. D dharmabmw Registered Joined Jul 4, 2014 3,296 Posts #2 · Apr 1, 2020Jul 03, 2006 · The first one i got was the Inova 3100 which could not connect to the ecu at all.. The second scanner which was the Inova 3110F which is the obdII CAN reader which is able to connect to the ecu and read codes. To my knowlege, the ecu has not been swapped out at all since i bought the car new. Just reflashed by 3 ecutek tuners. Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... Jul 16, 2021 · mgoode180566. ClioSport Club Member. 172 Sunflower. Jul 16, 2021. #1. Having tried 2 obd readers it would seem that the ECU won't connect on my phase 1. Any ideas ? If the fuses are ok, disconnect the battery negative terminal and check resistance at pins 6 and 14 of the OBDII connector. 2. level 2. angstamongthepigeons. Op · 8y. From what I recall there was no wire running to the pin 14 of the obd connector of the car at all. Only wires are at the pins I tested at. The very first thing that you need to do is shut off the gadget that you're making an attempt to join your scanner to. Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in.Break in the harness between the OBD2 connector and the ECU. One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool's OBD2 cable can't make contact. This is easy to do with a probe if you're not careful.Break in the harness between the OBD2 connector and the ECU. One of the pins in the connector is pushed back into the housing, or bent out of shape, so far that your tool's OBD2 cable can't make contact. This is easy to do with a probe if you're not careful.Here's the step:. STEP 1: Plug KESS into car's OBD-II port. STEP 2: Plug KESS into laptop's USB port. STEP 3: Launch KESS software. STEP 4: Read/Write data to vehicles EEPROM ECU chip. What's more, tuning/remapping is completely safe because you can backup and restore original ECU data back to car in 1-click.Colorful Jumper Cable DB25 for GODIAG GT100 ECU Connector OBD2 Break Out Box. New. $14.95. Free shipping. Seller 100% positive.ECU not connecting for obd2 scan. Jump to Latest Follow 1 - 11 of 11 Posts. H. hondatuner1320 · Registered. Joined Aug 4, 2005 · 192 Posts . Discussion Starter · #1 · Jan 10, 2007. Only show this user ...Apr 01, 2020 · Registered. Joined Dec 11, 2018. 375 Posts. #3 · Apr 1, 2020. See if the bmw dealer can communicate with it with the proper reader. If not, then issue is likely physical, aka wiring or connector fittings at the obd2 port. C. Jun 28, 2021 · Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in. If you see one thing that you just assume could also be an error, then you should have to eliminate it. Jan 26, 2021 · These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. In most cases, these issues can be rectified and amended to allow you to read the error codes. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. The very first thing that you need to do is shut off the gadget that you're making an attempt to join your scanner to. Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in.Oct 29, 2018 · If the scan tool does not receive data from an OBD II vehicle. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Do not connect to the body or chassis ground but to the battery terminal directly. With the ignition on, the voltage drop across the ground ... Jan 26, 2021 · These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. In most cases, these issues can be rectified and amended to allow you to read the error codes. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. I tried using a vag-com, and regular snap-on scanner and it will not communicate with vehicle. The steps I took were: 1. Test K-line with resistor, K-line not problem. 2. Disconnected ABS module as it was not functioning. 3. The mechanics took 2 gallons of water from electrical compartment. 4. All fuses are good.Jun 10, 2022 · If your OBD2 scanner is not communicating, you can try these solutions to fix the issue: 1. Check Fuse Box. Your vehicle’s ECU needs the power to function properly. It receives power from your car/truck battery which is connected via a fuse. The fuse is used to prevent the parts damaged due to a sudden hike in voltage. Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... Once this was replaced, the issue seemed to be resolved until about 150 miles, the same issues occurred. This time around, the Lexus tech's couldn't pull codes due to the ECU not being able to communicate with the scanner. After looking at the ECU, they said they wouldn't touch it until the SAFC2 was removed. Go figure right? This is where I enter.Jun 20, 2016 · Ringing @Jimmyh. Check these three fuses IGN, IG1 and IG1 NO2 in the inside fuse panel. Check these four Fuses OBD, OBD-B, EFI, and EFI NO2 under the hood fuse panel. And as stated above the OBD2 Tool must be Can Bus capable. Jimmyh, Jul 3, 2016. Jul 04, 2018 · OBD2 Readers Not Connecting to ECU. So I have a 1997 850R manual, Canadian car, but for some reason no OBDII reader works with the car. I've even tried using one of those ELM327 Wifi adapters. Keep getting connection errors, even the ELM went through 50 protocols with no luck. So before anyone says its a short or the communication wire is bad ... Got this obd com unit. I can connect to it, but not connecting to ECU for data capture to the Torque app. Amazon.com: V1.5 Super Mini ELM327 Bluetooth OBD2 OBD-II CAN-BUS Diagnostic Scanner Tool: Everything Else Any have this issue with a solution would be great to hear! Thanks in advance!Jun 10, 2022 · If your OBD2 scanner is not communicating, you can try these solutions to fix the issue: 1. Check Fuse Box. Your vehicle’s ECU needs the power to function properly. It receives power from your car/truck battery which is connected via a fuse. The fuse is used to prevent the parts damaged due to a sudden hike in voltage. OBD2 not connecting to ECU easy fix, obd port not working. in this vide ill show you the easiest way to repair a broken wire in your cars harness. CHECK OUT ... In the beginning everything was working like a charm - after connecting the cable, the RR connected to the ECU with no problem and I was able to log all params, use learning view, etc. Afer a while I started encountering problems with interruptions during logging and also with connecting to ECU at all. I could connect to ECU only 1 in 10 times.1) Overall Test Result "not ready". 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. * When key in position 2, all lights are on includes "check engine". ** In fuse box, no broke fuse fond. *** I have used Ancel AD410 and O'Reilly store's OBDII scanners, both were not communicated to ECU. I bought a cheap OBDII adapter (ELM327 V1.5 interface) from eBay. I can connect to the OBDII adapter using the multiple software. But every software result is same saying unable to connect ECU. Any experts here could help me on this, please? And one more important thing I have recently noticed is...Oct 03, 2019 · The OBD2 is a sophisticated software with so many self-checks to monitor and regulate the functioning of your car and in so doing maintain its good health for the longest time possible. This scanner can even self-correct the vehicles ignition and fuel mixture at every crankshaft revolution. You however need to have an OBD2 scanner to interpret ... The very first thing that you need to do is shut off the gadget that you're making an attempt to join your scanner to. Once the gadget is off, you may then plug in your USB scanner right into a USB port in your pc. Next, flip your pc on in order that it will possibly detect the gadget that you just simply plug in.OBD Won’t Connect To ECU – Solved Computers are great most of the time, but when they don’t work, they’re a pain in the jacksie. Hooking up the scan tool only to be greeted with no communication is frustrating!!! OBD scanners fail to connect for 3 common reasons: Faulty OBD plug/socket Scanner not compatible CAN network fault Once this was replaced, the issue seemed to be resolved until about 150 miles, the same issues occurred. This time around, the Lexus tech's couldn't pull codes due to the ECU not being able to communicate with the scanner. After looking at the ECU, they said they wouldn't touch it until the SAFC2 was removed. Go figure right? This is where I enter.I was able to sync/connect with the bluetooth OBD2 plugin, and Torque Pro seems to be endlessly cycling through protocols to try to connect, but never does. They symbol for "vehicle" just keeps flashing. I added the Ford Powerstroke PID's and did everything else suggested.here's the OEM pinout, pin #7 is the comm line for OBDII. the scan tool might also be looking for battery voltage across pins 4 & 16. pin 4 (BLK) = chassis ground. pin 5 (BRN/YEL) = LG3 logic ground from ECU pin E3. pin 7 (LT BLU) = "K-Line" (2-way OBDII serial communications line) to ECU pin E23. pin 9 (BRN) = SCS (Service Check Signal) line ...RE: 1997 850 BLUETOOTH OBD2 DOESNT CONNECT TO THE ECU. Quote; Post by esl_97_850_T5 » Wed Dec 24, 2014 9:38 pmThe most common initial problem (at least on Windows systems) is to: a) not have the port # specified correctly, or b) not have the port speed specified correctly.OBD Won’t Connect To ECU – Solved Computers are great most of the time, but when they don’t work, they’re a pain in the jacksie. Hooking up the scan tool only to be greeted with no communication is frustrating!!! OBD scanners fail to connect for 3 common reasons: Faulty OBD plug/socket Scanner not compatible CAN network fault The easiest way to check OBD compliance is by the VIN, all cars from 522573 (last digits) are. Some earlier cars (mostly Steppies) indeed use a MEMS3 ECU, but do not have OBD built in and only one o2 sensor fitted. Some OBD readers and diag kits have difficulties in finding the correct communications protocol.I had the same sort of connection problem, would not connect to ECU. Just by chance I worked out this procedure that seems to work: 1. Car not running, ignition OFF. 2. Plug in interface to car. 3. Bluetooth on phone ON. Interface paired. 4. Turn on torque. It will quickly show a Bluetooth connection but will not connect to the ECU. 5. Apr 07, 2011 · This was a vehicle I picked up...it was not my own so it couldve been a prior problem. I traced all wires from the OBD connection to where they went. The only one that wasnt connected was a wire going to the radio. There is no radio in the vehicle. I purchased the ecm from a handa/acura parts yard gauranteed good.