Good thing is that he is now able to connect and pull code information. Checked wiring and fuses even swapped PCM with a used one that was good. May 21, 2015 · I replaced the fuse again with washer fluid heater fuse 42, removed the scanner from the OBD II port and started the car, ran it for a couple minutes and checked the fuse again and the fuse is still intact. Yet, responses I always receive from device are something like "??" or "?" (when I run programs like TouchScan or OBD Auto Doctor, they successfully reads data so device is working properly). What does that mean? This is a generic communication system diagnostic trouble code that applies to most OBD-II vehicle makes and models. I hooked up a OBD scan tool that is can compliant and has worked on the vehicle before. Dec 2, 2017 · My "Maintenance Required" light came on, I figured it due to oil change interval, so I changed the oil but the light would not reset with the usual reset maneuver. G. I've helped members through similar experiences but usually the car won't run because either the immobilizer won't let it start or there is a ground on the 5vdc output the ECU puts out, which prevents the ECU Aug 17, 2018 · 1999 to 2016 Super Duty - No communication with scan tool - Hi everyone, I'm new to the forum. Members only! Click here to become a member. Wish you luck. ) Module… Continue Reading → Lost Communication With Rear Gate Module. Jun 27, 2008 · Well it turns out my ODBII is fine. 0 Manual - Trying to read OBD II live data, scanner communicates with PCM “live data” with ignition on and engine off. Marshall@COBB Nov 23, 2013 · Sorry its an 02. Test it and if you got power than its probably the computer itself. The gateway will ensure that the tool and user are authenticated (known) and authorized to perform certain levels of communication with the vehicle. These questions will serve as a guide and help you choose the perfect scan tool for your needs. Key off and use a good 10 megaohm impedance ohmmeter to test the pin 5 to ground. Now I know this sounds crazy, but it will work, trust me. Any ideas? Mar 24, 2020 · On the two Toyota cars: The OBD devices are connected but the measurements do not appear on the dashboard. I have tried a few different scanners. Drive Cycle. Next I bought a new Bosch 1150 code scanner and tried to get codes out of it but it will not communicate at all. 5A OBD, 10A MPX-B, 15A ETCS, 7. I then took the dash apart to investigate and learned that the previous owner removed the check engine light. What I don't have is any voltage at pins 3 and 11. Aug 8, 2013 · I am looking for some help. Circuit Description. Im useing a snap-on modis. Mar 28, 2013 · The OBD2 port and the power point share a fuse. Jul 13, 2019 · First make sure you don't have a blown fuse, specifically the one for the ECM. As soon as I start it the communications fail and I receive a “function not supported” message. The other type of communication issue could be with a sensor or actuator. Could this be an issue with my gateway module? The car runs and drives normally, and I have no warning lights on (they do come on for the bulb check when I start the car). Ended up the solder job inside the gateway for the pins going to the OBD2 connector sucked. The bottom of the dash interfered. com Feb 5, 2010 · I recently went to get an inspection and I ended up failing due to the fact that my OBD-II Port will not communicate. Sometimes it idles at 700 rpm, other times at 1200. Feb 11, 2011 · OBD II Fault Code * OBD II P0154 Fault Code Definition Code P0154 is triggered when the Oxygen Sensor signal that is sent to the Power Train Control Module remains at or near the . SRS is the only one that is connected directly to the OBD socket, all the others go via the RH footwell connector. Unlike the OBD-I connector, which was found under the hood of the vehicle, the OBD-II connector is located on the driver's side of the passenger compartment near the center console. Symptoms * Check Engine Light will illuminate * In many cases, no abnormal symptoms may be noticed Mar 10, 2016 · This vehicle has passed equipment expection and felt the emission test This vehicle has failed to communicate with the OBD emission testing equipment as per APA Guidance the vehicle fails the Arizona emissions OBD testing for no communication (OBD-ON BOARD DIAGNOSTIC OR VEHICLES COMPUTER) THEY CHECK ENG. Tested for voltage at pins 1 & 16, both were good. If scan tool communication is possible with the ABS system, check for the presence of code 01203 in system memory. Jun 22, 2024 · Unable to communicate via OBD IGOTACUMMINS is an I. It is is slightly blurry and difficult to read, but I am able to match the pins on my vehicle with this one, and it is oblivious that K-line is not implemented on Hyundai. With the new PCM, it works! Nov 9, 2023 · No Communication. Oct 31, 2023 · I have a 2001 v6 sienna van. Following this thread I checked and have 12v at pin 16 and both pins 4 and 5 are good grounds. Dec 29, 2018 · Here are all solutions aimed to help fix GM MDI multiple diagnostic interface connection/communication issues (connection by usb, wireless ethernet, wired ethernet)… big thanks to all contributors and obdii365. It makes no difference if ignition is ON or engine is running. Feb 19, 2024 · '99 Grand Vitara JLX, 2. Connects to BMWScanner v1. 3 PSD, Complete rebuild . My 01 ran just fine but scan tool wouldnt pick it up. Jan 3, 2012 · I'm unable to scan for codes on my son's 1996 Cherokee 4. Ive chekd 4 power at pin 16,cleaned all grounds,pcm swap from another 03. A. Can't Get The Drive Cycle Prodedure To Work. Plug the device back in, and try to Nov 1, 2021 · Some of the modules may operate in a limited capacity, but there will be codes for no communication in all of the modules on the CAN bus. 5A IGN, 7. "Unable to connect" Open the side menu -> "Device" Delete all devices from the list. Nov 26, 2022 · Sometimes, it happens due to OBD communication failure. If unable to communicate with the TCCM module, then the U0102 code that the other modules are setting is active, and the problem is there now. If your vehicle has a blown accessory fuse, that means our tools won’t be able to draw power from the data link connector (DLC) port. The ABS light has been on since I bought the truck about a month ago. Feb 27, 2012 · Hey, I know your troubles your going through. 3. I'm using a generic code reader and it can not get any codes from the OBD port. Communication settings. Just read No Buss (no communication with computer) checked power trades all the signals. The will help you solve the scan tool won't connect problem. 010 over by myself except balancing, 2000hp billet connecting rods, ARP main and head studs, ceramic coated pistons, Smith Bros Chrome Molly push rods, Comp Cams springs, shims and seals. turned out to be something shorted in the computer. Emissions rep tried connecting generic OBD-II scanner, would not power on or communicate at all. Perform routine checks on the vehicle’s battery and electrical system. My reader does power up when connected to the obd port but wont communicate. About ten days ago, I was heading to work and my truck unexpectedly died with 9 miles to go. Feb 6, 2021 · 2006 dodge ram 2500 169000 miles. To correct this condition, reprogram the gateway module to latest software level using the While most OBD code readers should be able to communicate with cars that use the standarised OBDII protocols - or cars with OBD2 compatible protocol to cover the engine/emission management system; a common issue with communication can be that the car you are trying to connect uses a non standarised OBD protocol such as ALDL, MOBD, MUTT or OBD1 Aug 20, 2018 · I have a 2009 Malibu 3. Aug 23, 2022 · Nanocom unable to communicate with ECU. If I unhook the battery, hook it back up I can communicate with everything for maybe 30 seconds, then they all lose communication again. The engine sputters and backfires, which is a serious issue, however I don’t know where to start because the scanner can’t connect with the ECU. I think it's pin 7 or 9 that communicates to the dme from the obd2 port inside the carI traced the wires to the dme and verified continuity with a dvom. Im sure you remember my super build. ECU-Electronic Control Unit is just a generic term. But, I have a quick easy way to fix this: You have to disconnect the battery (Positive & Negative) then take a zip tie and zip the positive and negative together for about 5 min. Finally got the chance to take it in to pass the car. I’m assuming your trying to communicate with the PCM? Do you have the key in the run position? If you start checking pins at the DLC for power/ground, make sure you also have about 2. Every time I used Forscan I had to use a little 1/4" drive 8mm deepwell socket and loosen the nuts holding the plug on to lower it down enough to insert the adapter fully. Theory of operation: Below are few different ways communication on a vehicle takes place: Scan tool to the Central Gateway Module (Ex: SGW, TIPM, BCM, etc. I know that this engine (and similar diesels) aren't technically OBD2 in the traditional sense, and some normal OBD2 protocols don't apply. This may be due to the software in the gateway module. Jun 20, 2012 · Another location in the electrical system has to be found to provide the temporary power connecton. Control modules that communicate via the Central Gateway module do not respond if the Gateway Module has failed. Ended up being the fault of a failing battery. Check for an open circuit. FYI, NYS has a new system and software called SYSTECH. Used 2 different diagnostic tools, older Snap-on Verus and an Autel Elite, with no communication to either one. Mar 28, 2022 · Scan truck with a snap on solus scanner. According to this article, K-line is used to communicate between the ECU and the OBD scanner. Using your OBD2 scanner correctly can prolong its life and ensure accurate communication. Can anyone tell me why the port will not read scanner? In desperate need of help. However both could not communicate for ABS. Oct 28, 2015 · At first I assumed fuel problem and check the pump, it's working fine and pressure is in spec. neither will my buddys Android OBD reader or Advance Auto's reader. May 20, 2023 · One of the most common causes of no communication is a blown OBD2 fuse. Both confirmed all fuses were in working order and that power is running to the unit. I do not want to continue to buy parts without knowing what the specific issue is. Here is a picture of the pins needed. Car cranks, but won't start. No mods,all stock. With these types of errors, you can communicate with a module, but the information from a sensor is missing or implausible. Jun 30, 2008 · Re: No ECU signal/communication (NYR) Sorry to hear that the ECM is not in the network. Jun 22, 2012 · 1999 - 2003 7. Romans 8:28 / Galatians 2:20 05 F350 CCLB FX4 Lariat - 3 on the tree with a Stage 5 Spleen Splitter and 36 Jan 1, 2020 · Suspect the module they are unable to communicate with by the definition of that code. " And "Unable to establish communication with the vehicle (initialization Nov 26, 2022 · Sometimes, it happens due to OBD communication failure. I had two scanners try to diagnose the problem so I could get it fixed. Lots of fun. May fail for no OBD communication. I have searched and searched. I would suggest hitting the factory service manual up for diagnostic procedures. Customer also had taken the car to the dealership in Chicago, they were also unable to communicate with any modules. Everything looked fine from what I could tell. If not then see if you can buy another cable (if it removeable) that has those pins. Conclusion Jan 11, 2013 · I failed inspection (suprise to me) today because my OBD will not send my info to the NJ Inspection Station's computer. ). ® online community for all Cummins Turbo Diesel enthusiasts. No communications with the ECM is a very complex diagnostic procedure that should be performed by a trained and electrically qualified technician. i tried running an obd2 scan on it, the scanner said thers a connection problem. Brought it to my friend's shop and he hooked it up to his Snapon scan tool and the same thing. I'm trying to sell and when they connect up to port to due emission testing there is no communication. ELM Scan tool 1. Views expressed by the author of this post do not necessarily represent those of the Lindsay Automotive Group. 4 won't communicate with the scanner. The only issue I have with the car is that when using the navigation and clicking on new destination the screen freezes and restarts. Scan tool will not communicate with the truck. Possible faults include scan tool non-power up and lack of communication between the scan tool and the PCM. 5 Amp fuse. The Data Link Connector check is used to identify the cause of an inoperative scan tool. Pull up some wiring diagrams and pin assignments. i think some of the main fuses needed for the ECU are 7. Total uploads: 337 . Checked OBD-II fuses and cig lighter fuse, both are good. Mar 24, 2014 · First thing I would check for a communication loss is to make sure you have B+, ground and ecu ground as shown below at the obd2 port. 4 2. I met up with another member today who has a Bully Dog programer and his unit communicated just fine with my truck. Tried The Cycle 9 Times What is OBD communication failure? the OBD-related tool will not work if the fuse has been blown which leads to communication failure. Feb 4, 2020 · I have checked power and ground at the OBD port, and they are good. Mechanic worked on the wiring found everything okayit is also an ex cop car so they might have some wiring issues. Does anyone have an idea on what could cause my hatchies OBD plug to not work? Any help will be gladly appreciated--thank you fellow members. Hoping for some assistance from someone who has been down this road. Had a wire that broke inside the jacket. Unable to communicate with any control module with my Verus scan tool. Sent from my Nexus 6P using Tapatalk Jan 19, 2021 · Newbie to the forum here, I just recently gained ownership of a 96 T100 3. If your OBD is also not responding/connecting, you can try these tips to solve the issue. I've checked the fuses an they are good, I took out the OBD socket an checked the pins and they are all clean and tight, so now I'm outta ideas. Scan tools receive power from the truck. I had 16 Explorer and I couldn't get anything except an OEM VCM to work on it and eventually that stopped working too. it always appear "unable to communicate with usb", is there something i'm not doing ok Diagnose U0100 code: Lost Communication with ECM/PCM. Oct 9, 2018 · The Secure Gateway Module, which FCA refers to as the SGW, is essentially a firewall providing moderated access to the in-vehicle network diagnostic services. Both scanners could communicate with the ECU for engine and other problems, no codes for either. Here is is the OBD2 port pinout, a bad ground will prevent communication, pin 5 is a ground. Checked all fuses, all good. Aug 26, 2014 · The car has no modifications besides a dinan section 3 exhaust, rpi scoops, Led license plate and angel eyes. Thanks in advance. Jun 11, 2023 · Here's how to fix obd2 port not connecting with any automotive scanner. Sep 24, 2016 · The power on the DLC port is only there to supply power to OBD devices that required external power supply to work like those plug in door lock module or BT OBD scanner for use with a smart phone. See full list on rustyautos. That was the issue with mine. 4 extended cab. " The smog guy ruled out his machine by testing another Aveo successfully. 4. They told me I had to go to a dealer or mechanic and have them check my OBD2 port and bring a receipt etc. A common symptom of a bad Gateway Module is no communication between an OBD-II scanner and one or more modules. 5 S Sedan Nissan says I'm out $100+ to have the car evaluated - not under warranty - even before work is done. Drove The Car Over 400 Miles. All fuses ok, cigar lighter works etc. If unable to communicate with the GPCM module, then the U0106 code that the other modules are setting is active, and the problem is there now. Farmerbond. Nov 6, 2013 · Took car to emissions, failed due to computer unable to communicate with car OBD-II. While the blown fuse is the common cause, this communication failure can also be caused by incompatibility, faulty CAN, corrosions, etc. Jul 11, 2018 · He was able to communicate with the OBD but everything read normal, no codes. com - OBD-II Network Standards Our 4Runners use J1850 VPW (at least my '97 does). Over the years, I've come across, personally and online, issues where people are unable to communicate with modules on the car through the OBD port and I'm not talking about the typical "20 pin connector" in the engine bay. Back in February I had to get the computer reprogrammed because I had to replace the fuel injectors and ever since then, no one else can communicate with the computer except for a GM dealership. One possibility is the OBD connector, at pin 16, which is always connected to the system. If your OBD2 scanner not communicating or OBD2 port isn't Apr 26, 2012 · The dealership can communicate with the computer but everyone else I bring the car to can't get their scanning tools to communicate with the computer. See if it has a good ground. Thus it Failed due to "Unable to Communicate" He attempted 3 times with no success. Just long enough to read all the modules (most May 24, 2024 · Note: You may have issues connecting if another OBD app is running, because the OBDLink adapter can only connect to one app at a time. Apr 7, 2019 · Car came in for a check engine light - misfire. You will need a few things to check it and make the repair. Nico Club has them at their site: OBD COMMUNICATION FAILURES Why Vehicles Fail to Communicate and Strategies for Repair Maryland Vehicle Emissions Inspection Program (VEIP) OBD COMMUNICATION FAILURES One of the most frustrating things to diagnose is a complaint that cannot be verified when brought into your shop. The car is a 2006 325i e90. Each control module has a resistor that you should "see". Stuff we tried: All fuses are good Jun 6, 2014 · I am trying to communicate with ECUsim 2000 which is OBD-ll ECU simulator . If your OBD2 scanner not communicating or OBD2 port isn't Synonyms for not able to communicate include not in contact, incommunicado, out of touch, not in communication, unwilling to communicate and silenced. Could it just be a loose wire? Thanks. Apr 6, 2021 · Won't communicate or no power to the OBDII port?-jokester . Related Communication questions and answers you might find useful: Chevy Tahoe Failed Smog Check Because No Communication With Smog Machine OBD II by lorenzo Ford Excursion Monitors Not Ready for Smog Test by Randy 1999 Chrysler Town and Country OBD II Communication Problem by PEDRO Jan 21, 2020 · Which ECU are you trying to communicate with. Aug 17, 2020 · Hello. Write("010D\r") Aug 20, 2018 · I have a 2009 Malibu 3. He came out and plugged into the OBD but no communication with his scanner. 5A ECU-B2 fuses Mar 11, 2014 · Fixed 2004 Chevy Silverado 1500 no communication with modules but power to the obd2 port. I am sending comand in C# via. I have a dongle by Automatic that lives in my OBD-II connector. Oct 30, 2008 · 1st: neighborhood mechanic (who also has a Tacoma) said his scanner could not communicate with the computer. CAN networks have an abundance of very definitive DTCs when the bus has voltage level problems such as intermittent shorts to power or ground, open circuits and accumulated errors in communications that can temporarily cause a module to pull itself offline. I'm already aware of fuse issues with the OBD connector so I pulled all ECM related fuses in both fuse boxes and checked them all with no change. run in the following order (some reason must be run in following order otherwise will not work - for me anyways): 1) Start IFHSRV32 server 2) Start the DIS Apr 15, 2011 · He said my truck is a CAN vehicle and his computer should bypass the OBD interface, but it didn't and failed. I've tried both OBD devices with 2-3 different apps (including Torque Pro). Soft, cleared codes, re-scanned & successfully established communication. Start at the OBD port and remove one module at a time like you have started. Feb 11, 2021 · You’ll learn how to diagnose why your OBD tool won’t connect and how to fix it. Took a while to find. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. T. Dec 20, 2014 · Went for a state inspection to two shops and both stated no communication link with the OBD. 2012 Altima 2. How does OBD communicate? The connection between the OBD2 scanner and OBD2 ports is the prime mechanism behind the registration of the DTC fault codes. Anyone run into this issue or have any suggestions on the cause Apr 1, 2011 · When I try to connect to ECU, using OBD adaptors (I have tried 1. Since the dash light comes on at random interval either right on driving or after a short period of time, that eliminated the problem with any power Communication Fault With Emissions Inspection Equipment Some 2020-2021 Escape/Corsair and 2021 Bronco Sport vehicles may exhibit a communication fault with emissions inspection equipment. OBD adaptor made in Russia) and Lenovo Laptop computer with different kind of OBD software , I get following massage "The device not found". Jan 26, 2021 · After the check engine light appearing on my car, I tried to connect the obd 2 diagnostic scan tool, only to show errors instead of showing the trouble codes. Total upload views: 620. With the new PCM, it works! 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. Feb 1, 2009 · Check to make sure your old scanner cable/connector that plugs into the OBD2 connector has pins 6 & 14. May 16, 2024 · Regularly check and clean the OBD II port. Everything seemed to point to the ECU. Even if your OBD2 port has power, it won’t communicate if the fuse is blown. Still communicates with other modules. Thinking it might miraculously be fixed I picked it up after work and soon as I started it the same problem was repeated. Check the wiring diagram for what pin is power. But will not read any codes. This code means that the Rear Gate Module (RGM) and other control modules on the vehicle are not communicating with each other. Apr 13, 2023 · I have a 2000 Mustang, I am in the process of trying to diagnose, my obd scanner will not communicate with the car, I do have power to the OBD Port, and the scanner does work. If scan tool communication is not possible with the ABS system, check and verify that scan tool communication is possible with any other vehicle system (engine, transmission, SRS, etc. Unplug the device and restart your phone. Jan 26, 2012 · This means theres power there. This issue is related to pins 7 and 8 on the OBD socket under the dash. I cannot communicate with the dme or tcm at all. 0 communication failure with all modules. The most common failure is loss of power or ground. Issue may be due to software in gateway module—see SSM 50974. It didn't fit in my signature but here it is : 2002 F350 Super Duty, Crew Cab,Long box,4x4, 7. Has anyone else ever had this happen? It just keeps coming up "Read Failure, Cannot Communicate with Vehicle". I figured it would be a good time to pull codes, but I got a message from the code reader which told me the OBD port was unable to communicate with the computer. Nov 20, 2011 · They failed me because they said they were unable to communicate with the OBD2 port. Hello, my name is ***** ***** I will do what I can to assist you with this problem. It receives power but will not link. Aug 20, 2023 · Earlier, I mentioned that not all OBD2 scanners can read ABS codes. I changed the battery, attached my P. Nov 30, 2022 · Thanks for sharing the screenshot of the Hyundai OBD. Specially designed to provide users with convenient PC communication and ECU reprogramming capabilities on any modern vehicle diagnostic bus, MaxiFlash Elite offers the most significant features desired by OEM customers: reliability, fast performance and Jun 1, 2007 · The ISO 9141 network, is a single-wire, and is often identified as Circuit 70. 2. I cant read the OBD, I have no tach, water temp, OIL Pressure goes to default 40PSI, I have no read out on the PRND12, no cruise and no MPG read out. Just one possibility. These advanced features can include bi-directional control, ABS (Anti-lock Braking System) diagnostics, and service functions like oil reset and battery registration. Design issue. The jeep has been running well. Hi all. Apr 13, 2011 · PCM no communication? Jump to Latest 42K views 6 replies 5 participants last post by Scottina06 Apr 13, 2011 May 8, 2014 · So I took my 2000 RAV4 MT AWD into DEQ to get my tags renewed and they said that they were not able to established communication with my vehicle. There was power to OBD port. Jul 1, 2015 · There must be a wiring problem somewhere. Username or E-mail. 3. In this guide, we will learn the reasons for unresponsive OBD and how to fix the OBD communication failure issue step by step. Dec 4, 2020 · Not a big deal but sure it will be one day, so 2 weeks ago i accidentaly shorted out my 12v cig lighter, blew the fuse, and i guess it fried my obd2 scanner that i leave plugged in, anyways, replaced the fuse and bought another scanner, and the truck powers up the scanner, but the scanner isnt connecting to the truck anymorr after replacing the fuse, tried advance's scanner and theirs wont Dec 26, 2018 · scanner faulty maybe, worth checking the eobd socket on car behind it have seen the contacts get pushed out the rear of the plug socket when push the scanner plug in to it and fails to contact, couple others have had same issue on gen 1 cars and they never got back to us on the forum if got fixed or not,, the gen 1 cars run inpa diagnostics that is more rover based format as rover group I took it to the dealer, and they said "reviewed smog readiness monitors and found all monitors have run-passed. This code reader does work on my friends e90 so I know its my obd port. I replaced it and now the light stays on. 5L V-6, 4WD, 5 spd std, '00 "Limited" model leather interior Apr 21, 2015 · The guys at the parts store said there is typically a fuse for this, but I've been unable to find it and have done some searching on here with no success. He found that fuse blown and has replaced it however, the cig ltr still does not work. While I got the certificate, I failed because there was an obd2 communication failure so I couldn't complete the test. This link gives a good breakdown: OnBoardDiagnostics. Proper Use of OBD II Scanner. Anybody else ever have this issue. You might just be able to use any OBD2 cable if it has the common connector that plugs into the scanner itself. Have used multiple scanners. Unplugged fuel bowl heater,fuses good,relays good. We just rebuilt the engine and it runs fine except for idling. It means that the OBD scan tool can communicate with your car. The car runs fine and the CEL is not on, but it will not pass inspection. You can’t run the OBDLink app and another third-party OBD app (such as FORScan or AlfaOBD) at the same time. Sep 8, 2022 · 【As a multi-protocol Pass-Thru vehicle interface】MaxiFlash Elite is a fully compliant SAE J2534-1 & SAE J2534-2 (March 2006) device. If you can access codes from the TCCM module, then the U0102 code is either intermittent or a memory code. Im currently having close to the same problem with my 06 Auto Mega Cab. Test and service were free! Nov 19, 2020 · Anyways, moving onto what I wanted to discuss. Now it will not communicate with ECM, TCM, ABS and BCM. When shopping for a scan tool, you need to ask yourself some questions. O. He checked the grounds to the ECM but all indicated fine. There are lots of issues with my car, but I am not able to correct them because of the OBDII issues. Verified 12v at pin 16 and all grounds are good. When my May 20, 2023 · One of the most common causes of no communication is a blown OBD2 fuse. OBD2 becomes unable to communicate properly once that fuse of the lighter port has been blown out. ADDITIONAL INFORMATION: Old PCM is roasted, see attached picture when attempts are made to communicate after fixing the wiring problem. located in the fuse box under the steering wheel. Next, you have to start measuring resistance on the OBD communication wires and find the breakdown. I've messed around with the fuses took the wires out of odb2 port to check for damage and tighten connections with no Sep 7, 2013 · A4 (B5 Platform) Discussion - Unable to connect with OBDII scan or VAGCOM - I'm having a weird issue. There is no module-to-module communication on this network. 3 4x4 CC SRW/ Aeroforce Interceptor/ BD Thruster II/ Bellowed Up-Pipes/ 4" turbo back straight exhaust / CCV Mod /DIY 6637/ TS chip reburned with PHP tunes/160/stock FFD/PowerSlot rotors and green EBC pads/ Recon smoked cab lights /MM Jun 8, 2009 · 2004 - 2008 Ford F150 - OBD II won't communicate - 04 F 150 5. LIGHT IS NOT ON… Oct 1, 2023 · There are a few reasons why your OBD II scanner may not be able to communicate with your vehicle. Oct 1, 2023 · There are a few reasons why your OBD II scanner may not be able to communicate with your vehicle. The modern OBD implies the standardized digital communications port that provides fundamental data, and it makes the codes available to the screen of the scanner. If that's not the case, it could be an open or short in the communication circuit between the OBD II port and the ECM or even a faulty ECM. Aug 17, 2014 · OBD-II connector specifications The OBD-II specification provides for a standartized hardware interface - the female 16-pin (2x8) J1962 connector. Whe I hooked up my Carly app to read codes, it came back saying "unable to communicate with ecu" So I ended up getting a replacement ecu cloned with my key and CAS. OBD 2 codes, also known DTCs or diagnostic trouble codes, are like a secret language your car uses to communicate issues. 5V on the Can C- and Can C+. Both cars were made on years near 2010 (don't remember exactly). An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting. 6L that had the Tranny replaced by dealer due to recall (wave clutch issue) at 98k. com For mdi not connecting… Related Engine Computer No Communication Content. To check if this is the issue, examine your vehicle’s fuse box and look for any blown fuses. Feb 20, 2011 · (2) If communication is still not possible when the tool is connected to another vehicle, the problem is probably in the tool itself, so perform the Self Test procedures outlined in the Tester Operator’s Manual. Apr 13, 2018 · The OBD port is actually part of the gateway module. Jun 3, 2024 · How to solve OBD2 scanner connection problems with the ECU. If you can access codes from the GPCM module, then the U0106 code is either intermittent or a memory code. My port has power but is unable to communicate. Sep 8, 2013 · Probably a broken wire. Find more similar words at wordhippo. It is common for car systems to use the cigarette lighter as a means of communicating with scanners or other diagnostic tools. 4 perfectly. It says it tries to communicate with the PCM, and then eventually times out and says to disconnect then reconnect. If this fuse blows the DLC will have no power and scan tools will not power up. Jan 21, 2020 · Which ECU are you trying to communicate with. Thanks. The problem was the Climate Control. There provides detailed steps to identify and fix common issues, ensuring seamless communication between your scanner and vehicle's ECU. Find causes and tips for resolving CAN bus issues preventing engine control module signals. Anyone experience this? May 7, 2015 · I experienced a "failure to communicate" with the DME, and sort of 'lost' a lot of sleep Ended up being the fault of a failing battery. This issue prompted me to research online and ask different technicians that what the issue might be. Jul 18, 2016 · I am still unable to start my newly acquired 2010 535. Engine light(mil) is illuminated. May 17, 2011 · Data Link Connector Diagnosis. Jan 10, 2023 · How to fix OBD connection [OBD no communication] August 11, 2024 January 10, 2023 by @iamcarhacker . Basically when the car is off but the key is in the on position I am unable to read my codes with my OBDII scanner or VAG COM. 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. Therefore, you can begin testing your lighter port. There may be a fuse to the OBD-II port that's blown (see if you have power in the cig ltr (outlet). 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. If your OBD2 scanner has an ABS monitoring and bleeding feature, it probably won't communicate with the ABS. Apr 11, 2014 · MAKE sure NO sessions of INPA are running (when INPA is running EDIABAS server apparently blocks communication from IFHSRC32 server and DIS will be unable to communicate with the cars port. Dec 28, 2019 · First unit: CAS804 Auto Scanner Tool OBD 2 II Trouble Code Reader | eBay Second unit: OBD2 CANSCAN D900 Engine Code Reader Scanner Free P&P | eBay Each unit powers up, scans the network protocols and then reports unable to communicate. Sep 5, 2015 · A online OBD scanner wholesaler providing thousands of high-quality china obd scanner like car and truck diagnostic tool,car key programmer,ecu chip tunning tool,obdii eobd jobd scanner,locksmith tool,car lights, etc. I’ll ask one of our customer service representatives to reach out and get a service ticket started with you. The engine will sometimes start and run fine, but the vehicle may go into limp mode. 450 set voltage point. You have an emissions Mar 21, 2017 · I took my car to the smog referee because I got a state ref ticket a while ago for header and exhaust. Ok, he did find no power to the cig ltr. The other thing that is strange is that the SOS light has just popped up and I think its somehow related. 0l. The VIR says "OBD Vehicle Communication: FAIL," as well as "RPM Not Detected. 3L Power Stroke Diesel - SCANNER NOT COMMUNICATING WITH PCM7. Where should I look first? Thanks. My snap on obd reader is unable to communicate to read codes. Here are some of the most common ones: Faulty Scanner – The first possibility is that your OBD II scanner itself is faulty. I have an 05 Cobalt LS that has the MIL light on. My conclusion is that the VeePeak VP01 OBD II scanner has a fault that caused the fuse to blow, so I'll be needed to purchase a new scanner. Mar 21, 2008 · I did a search on the site but was not able to find much about what to do when state emissions equipment or an OBD II diagnostic device cannot communicate with the computer. It basically logs my travel and can display basic codes. When writing this post, I assumed your scan tool powers up when you plug it into your vehicle’s OBD port, but it just won’t connect. If the vehicle you are inspecting fails the OBD test for no communication, direct the vehicle to a Ford dealership for a software update. Pcm is of the vdh5 family,still not leting me communicate. 2001 F350 7. 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. 2 thousand Dec 1, 2016 · 1. Time consuming! Dec 12, 2023 · Just received my obdlinkEx and obd bypass cable for my ram classic warlock 2023, it has communicate with alfaobd demo at first so i installed the full alfaobd, and now i'm not able to communicate anymore. Test normally. Ford: 2021-2023: F-650, F-750; all engines; Gasoline Jun 12, 2022 · I did have a problem on my 2017 where the adapter would not plug fully into the OBD plug. To communicate with the OBD, there are several different protocols used today. Avoid frustration and get accurate diagnostics by following our expert tips. The cars OBD communicates with the dealers computer, the generic computer and the bmw specific computer. We have power and ground on pins 4 and 16 of the DLC. com! Dec 30, 2017 · I have a 1999 Tacoma v6 4x4 extra cab SR5. But still no luck. they tried doing it through the cig outlet and Jul 26, 2023 · In addition to standard OBD-II diagnostics, some Innova scanners offer advanced diagnostic capabilities and special functions tailored to specific vehicle makes and models. 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. May 9, 2024 · It’s important to understand that all of Innova’s OBD2 scanners are powered by a vehicle’s accessory fuses. Pin Signal Nov 6, 2008 · OBD II standards use pin 16 as power in the DLC and pins 4 and 5 as ground. Test and service were free! The third smog station also ran the test 3 times he also used a snap-on scanner which did not established a communicate line, double check the fuses and wires, all checked out ok. Apr 10, 2015 · He proceeded to plug in the NYS Inspection machine to begin it's own diagnostic and to our surprise the machine could not communicate through the OBD. Jul 16, 2016 · I checked all fuses and followed all visible electrical cables on my Mazda3 to see if I could find anything out of place. If no ground the circuit is broken somewhere between the OBD2 connector and the PCM May 30, 2017 · I also purchased and used an Edge Evolution 15000 programmer. Keep your vehicle’s software and firmware updated. Software update available. 2nd: 2 weeks later, General mechanic with a shop said his scanner was unable to communicate with the computer. I re-flowed the solder job on the pins and then it worked great. Aug 1, 2019 · Here are some solutions of Micropod wiTECH 2. I tried to scan the car and my scanner is turning on but for some reason it is not communicating with the car. These protocols determine how to communicate. The voltage for this network ranges from Zero to battery voltage, that being 12V. Try changing your adapter communication settings with these steps: Start Feb 16, 2018 · Hey Cameron, sorry to hear about the troubles with your Accessport! If it is powering up via USB but not via OBD, it sounds like we may need to check out the OBD connection within the Accessport itself. 3 - 03 7. Sep 19, 2023 · 1999 Sport 4. I of course asked if their system could be broken but they assured me it wasn't (which I am not so sure of). I have a 2007 bmw e90, the car starts and run normally, however the check engine light is on. Anyway, the car drives fine with no check engins light on & now has 102k on it. . May 24, 2011 · So, I think you have another issue with it too. serialPort1. All scan tools powered up, but were unable to communicate. Apr 18, 2020 · -OBD 2 scanner not communicating-pin 6,14 on OBD port read 0v (showing continuity with Ground)-tested all fuses, tried taking out one by one, still nothing at CAN lines-tried taking apart ECM & ABS connectors, no corrosion-resistance at 6,14 pins(OBD port CAN lines) = 2-3 ohms-all dash lights are on (EPS,ABS,Traction Control,Engine light,etc) Feb 5, 2010 · I recently went to get an inspection and I ended up failing due to the fact that my OBD-II Port will not communicate. Oct 1, 2013 · 2. You'll find an informative tech area, a place for Member’s Journals, Vendors with Special Members Pricing, Plus More! Jun 29, 2016 · Failed emission testing 3 timeswasnt eligible for a waiver!! My OBD system wont communicate to their computer it is a 2005 Chevrolet Impala. Total subscribers: 745 . Just to make sure the new scanner worked I plugged into our 04 Mazda and it worked fine so the reader is good. 3rd: Same day as general mechanic, Auto Electrician with shop WAS able to get his scanner to communicate with my trucks computer. When a problem is detected within your vehicle’s systems, the OBD 2 system generates a code that corresponds to a specific issue or malfunction. pvmcv cjxyve beca fkwqs wmpkdmh lixh rzp noipsnz xdvq eni