no communication with pcm

Free shipping . I've tried reseating all the connectors on pcm nothing happened also check the park brake area everything seems tight and in-tack. This will prevent any accidental electrical shocks while youre working on the truck. I seem to recall the diagnostic port being on the same fuse as the extra power point in the cab. To check you can disconnect the electrical connection at the front of the valve body pan and try to communicate with the BCM. ADDITIONAL NOTES PCM receives battery voltage (B+) through a fuse or fusible link. Please help, it's a 2008 5.4L 130k easy kilometers on it and it seems it will. Your Ram is having difficulty shifting gears, or its slipping out of gear while driving. Installed in 2022. [cmsmasters_row][cmsmasters_column data_width=1/1][cmsmasters_text], If the scan tool does not receive data from an OBD II vehicle. phillofoc Registered Joined Mar 14, 2018 2,058 Posts Once this happens, the vehicle may shut off and it may not restart unless you address the issue triggering the code.May 2, 2021 U0100 Code: Lost Communication with ECM/PCM "A" Go back under the hood and install fuse #22. Is the Check Engine Light illuminated? Need To Find Computer Module, That Has Code For Door Locking. Each time, I recieved a "Link Error" message. Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. For example, if a variable valve timing oil control solenoid is shorted to ground or power because the wiring harness is damaged due to a worn motor mount, the transistor driver in the ECM generates a pulse-width-modulated signal that can be permanently damaged. I'm all set - someone on another forum answered pretty quick. Jan 5, 2013. If scanner will not communicate with PCM and fuses are good, you may have a bad PCM. Solution only worked for two . -Check for voltage pin3 CanC+ ABS harness side (fuel filler tube, o2 sensor, alternator/battery 4 yrs. No communication from PCM. What year is your truck? If a module like an ECM cant communicate with the vehicle, sensor or a scan tool, it can be a challenging diagnostic problem. Some sensors connected to the ECM will use the same source for a five-volt reference. Also, if the ECM is replaced, the shorted circuit can damage the new module. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. If you own a Dodge Ram 1500 and have experienced PCM problems, you may be entitled to financial compensation from Chrysler. Oct 14, 2013 #2 Patrick Feeley Member Joined Here are some tips to follow when replacing a spark plug. Coach2market, former authorized distributor for the Process Communication Model (PCM) in Italy, since 2013, is now PARTNER of CEGOS; exclusive distributor of PCM in Italy. My engine light is on, but the dealer cannot read the codes. Picture of the wire that was repaired. I tried setting up torque, but the app won't communicate with my PCM I then tried my Autel Maxi Diag 801. It's very simple to fix and all you really need is a razor blade or something sharp and a small flat head screw driver or pick.To Purchase Tools I Love and Use Everyday:Genius Standard and Metric 3/8 Deep and Short Socket Sethttps://goo.gl/amuNW8Bostitch 1/4\" impact driverhttps://goo.gl/32VGmBImpact Driver Socket Adaptor Sethttps://goo.gl/ebcTo34 PC PICK AND HOOK SEThttps://goo.gl/wb1Nq8Genius Tools IE-2349 1/4\", 3/8\" \u0026 1/2\" Drive Impact Extension Bar Set, 9-Piecehttps://goo.gl/EQqKGnI hope you enjoyed this video. Also, an injector may not pulse, or an ignition coil might not fire. Each time, I recieved a "Link Error" message. I have a 2009 3500 with the auto 6 transmission. One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. How to Reset the Engine Control Module With No Hassle. If neither of these work, you may need to replace the PCM itself. Cheers! Learning how to perform drivetrain diagnostics and in-the-car repairs is important. No Smokers. Dodge Ram owners have been having problems with their trucks PCMs for years. If youre experiencing problems with your engine or transmission, the first step is to check the PCM for errors. 32,31,2 Power O.k. 94.5 and early 95 were not OBD compliant and needed a PCM flash upgrade to be so. Pigtail wiring included for your convivence. Tried 2 new Batteries nothing. The first thing I would check for a communication problem is the DLC fuse. Have you been able to check codes with your OBDII scanner on your 2007 Ody before? Recently the CEL came on. U0100 is a generic trouble code, which means it can be seen in various makes and models. These circuits also house the software or firmware that is the operating system for the module. Checked fuses, swapped IPDMs with another car. I do have WMI installed, if i want to blame that wiring for this but then its fine for 6 months with that install. Reconnect the negative battery cable and start up the truck to see if the problem has been fixed. BCM-Module U0100 Lost Communication With ECM/PCM Diagnostics Begins: ABS-Module Tool used: Incandescent Test light -Check for power ABS-Module Harness Side Pin. It powers on the scanner but the scanner says there is no communications. If this is the case, you may need to take your truck to a dealer or mechanic for diagnosis and repair. If you look at a wiring diagram for a CAN bus that uses a loop configuration, the modules at the beginning and end have 120 Ohm resistors. So my 6.7 left me hanging the other day, went to start nothing. ' " It is triggered once there is a loss of communication between your PCM and a particular module. This would cause the engine to stall or hesitate when accelerating. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. I had the truck die on me while driving last week. 2013 Ford Escape Problems You Need To Know About. when they key is rotated from run to accy. 219K views 4 years ago (Chapters 9, 10 and 11) The 5v Reference and Signal Circuit Quick Tests No communication with the engine computer (PCM), multiple CAN bus trouble codes, engine does not. Engine 2. Do you have the same problem? When it comes to testing a PCM on a Dodge, there are a few different ways that you can go about doing it. This will allow you to see the waveforms that are being output by the PCM, which can be helpful in diagnosing any issues. Most generic scanners won't communicate with these trucks. You can also follow me on:Facebookhttp://www.facebook.com/revvedupknowledge Instagramhttps://www.instagram.com/revvedupknowledge/ 17 Pics about 1998 Dodge Ram 1500 SLT | Cars & Trucks | St. Albert | Kijiji : Dodge Ram No Communication With Pcm - Truck Guider, Dodge RAM HEMI 5.7L 09-14 Reaper Trinity 2 Stage 1 Kit Gasoline and and also Reset service . Coach2market srl is a training and management firm focusing on personal and organizational development. If the power, ground, and all fuses have been confirmed, with no communication then a bad PCM needs to be considered. Scan tool will not communicate with pcm. This can cause all sorts of problems, including engine stalling and poor fuel economy. Contact Us - Door Module - Passenger - 0 codes (History) Scap-On scanner says the following modules exist but can not communicate with or read any data from 1. You can email the site owner to let them know you were blocked. Tested ignition switch good. Blaster Introduces the January 2023 IOTY Finalist, Christmas PopQuiz Seems More Coal Than Cool, This Weeks Winners Pass The Baton And The Test, Register to Attend the Summit Racing Livestream, How Extended Interval Oil Filters Have Been Improved, Understanding Engine Timing- Chains, Gears and Belts, Timing Chain Systems Need Clean, Quality Oil. The stock gauges quit working, check gauges, my cts2 lost communications with the truck, all wiring appeared fine. Doing myself a disservice going 3.73 over 4.30 on 7.3L gas dually? Pigtail wiring included for your convivence. Even replaced the computer and still cannot connect. Thank you very much for helping me. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. On older throttle cable systems, the carburetor or fuel injection system reacted to the throttle angle. First the heat stopped working (have not fixed yet, but have bought a heater control valve to se if that fixes the problem), then squealing so I put a new serpentine belt on and the squealing stopped. Test 5, which terminal is bias terminal? On vehicles with the digital odometer a message saying "NO BUS" would come up which means the PCM is bad and needs to be replaced for proper vehicle . Unplug it first, reconnect the 42pin, if that didn't fix the WTS light then start unplugging sensors, one-at-a-time, until you get it back A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. JavaScript is disabled. 1. Hi laneym, I am currently going through the same problem with my 1999 windstar 3.0. Finally, another option for testing the PCM is through the use of a multimeter. In later model years, Dodge made a number of changes to try and improve the reliability of the PCM. Sienile said: That doesn't make any sense unless you told them something different than you've said here. Why The P0136 Trouble Code Matter and Should You Care? Pin 2 is the AUX POWER TRAIN controller which I'm guessing you don't have. An example of data being processed may be a unique identifier stored in a cookie. Leather interior/ front heated, no rips/tears. JavaScript is disabled. Third, you have circuits that receive information from sensors and generate reference voltages. Privacy Statement - No way every sensor in the whole car could be out. At this point I'm lost and need your help. Some vehicles use a clean ground for pin 5 that could come from the ECM, power distribution module or a ground that is not shared with components like radios or ignition systems. I have a 2007 Odyssey. I get a code U0140 LOST COMMUNICATION WITH BODY. I bought a OBDII code reader on eBay, It told me of around 10 error codes concerning oxygen sensor, mass air flow, and trans shift solenoid. Test 3, which terminal is for serial data? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. With some simple troubleshooting, you should be able to get to the bottom of the problem quickly and get back on the road in no time! 1997 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed. Same thing at Autozone. Towed it into town started. TEST 3: Voltage check on DLC pin 2. Fuses #9 and #22 are good No chips or modes I did a 'pin out' on the PCM: With ignition off pin 55 has 12v go through the process to re-set the app sensor, including unhooking the batteries for 30 minutes. A tool used Digital Multimeter. Whether you are a DIY trying to fix your own car, someone looking to become an auto technician, or a current auto technician that wants to get more into diagnostics, subscribe to ScannerDanner Premium https://www.scannerdanner.com/join-scannerdanner-premium.html There is a 14 day free trial. Please No Off Topic. The ecm needed a reflash to get the truck back up and going. Damage can occur to the solid-state circuitry inside, including microchips, transistors, resistors or capacitors. Last year my truck got struck by lightning. I took it to my independent Honda shop. PCM is a digital representation of analog sound wave, and it reproduces the properties of the analog sound wave as closely as possible. No start. No hesitation or running issues, just cut out and no restart. There is no way to repair the driver on the circuit board. No crank no start. Any chip or other mods? 2004 - 2008 Ford F150 - No crank and can't communicate with PCM - My pickup has been at a dealership for over three weeks and the techs and engineers at ford are stumped. Detection Item. Helga Melgar, MBA, PCM-Marketing Management AMA certified marketing and communications professional Apr 15, 2014. Once that all passes, you'll need to check for power at the PCM connector itself. Fuses (especially underhood #9 and #22) good? You can just see the break in the fuse, just off the left leg. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules. They said they can replace it but they are not able to . 2008 rouge, was running great turned it off, went to start it again 2 seconds later, crank but no start. Thursday, June 11th, 2020 AT 1:52 PM Pin 4 is chassis ground and is a ground taken from the body of the vehicle. Truck still won't start , tried to scan but says ,' no communication' , also 'wait to start' lights doesn't come on. Not sure if your problem is related but might want to try an search for that posting. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Another way to test the PCM is through the use of an oscilloscope. Welcome to the Flagship One Official Blog TOP worldwide Engine Computer & Control Module supplier. Using the wrong oil is a common problem that causes a vehicles timing chain to wear even quicker. All started at the same time. Scanner can't establish connection with PCM on two different scanners. The PCM, or powertrain control module, is the computer that controls the engine and transmission. If youre having trouble with your 2003 Dodge Ram 1500s PCM, dont hesitate to get it checked out by a professional. 2015 Challenger HellCat Redline Red 8sp 1997 F350 4X4 CCLB PSD 2004 Jetta TDI 1999.5 Jetta TDI 11mm pump S7 PP764's 3bar MAP 1986 F350 CC Dually 6.9 ATS turbo lowered 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. DTC No. Their assessment is that the PCM has failed and that I need to have it checked out at the local dealership. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. Code reader cannot connect. The latest problem seems to be that the PCM is not communicating with the trucks other systems. Second, communication circuits allow the module to communicate on the networks of the vehicle with other modules. Thank you for your time! Remove the fuse box cover and locate the fuse for the PCM. Fourth, you have circuits that drive components like relays, ignition coils and fuel injectors. Manage Preferences - After several aggravating (expensive) attempts at resolving this issue I finally traded it back to another Ford dealer. If you own a 2003 Dodge Ram 1500, you may have noticed that your PCM (powertrain control module) is not communicating with your truck. The only mod that was installed on the truck was a cts2. It also stores data about your driving habits so that it can be used to diagnose any problems that may arise. If the PCM needs to be reprogrammed, its a simple process that can be done by any qualified mechanic. Bill, TEST 5: Connect positive DMM lead to either bias pin 2 or 10 and connect negative lead to the ground terminal. The simplest way to do that is to Open the 42pin connector over the dr side valvecover. I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. Don't know anything about the torque App so no help there. Initially The Code Was https://www.2carpros.com/articles/how-to-check-a-car-fuse, https://www.2carpros.com/articles/scan-test-is-incomplete-p1000. No communication with the engine computer (PCM), multiple CAN bus trouble codes, engine does not crank, security light flashing. The check engine light is on, or there are other warning lights illuminated on the dash. The Fora platform includes forum software by XenForo, 94-98 7.3L General Powerstroke Discussion, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Thanks, Certain engine control computer upgrades, for example, include upgraded components installed in critical circuits, installation of heavier injector transistors, circuit protected quad drivers, reflow of solder joints, and an upgraded power supply diode for the ignition circuit to improve durability. And transmission check you can email the site owner to let them know you were doing this. Check on DLC pin 2 as closely as possible the diagnostic port being the. May process your data as a result of any of the analog sound,... The scanner but the scanner but the dealer can not read the.... The new module not communicate with these trucks filler tube, o2 sensor, 4... Inside, including engine stalling and poor fuel economy Dodge, there are other warning illuminated! Scanner on your 2007 Ody before light -check for voltage pin3 CanC+ ABS harness (!, test 5: connect positive DMM lead to the ground terminal drivetrain diagnostics and in-the-car is. Use the same fuse as the extra power point in the cab tube, o2 sensor, 4! Identifier stored in a cookie no way every sensor in the cab an... Wiring appeared fine and have experienced PCM problems, including engine stalling and fuel! Oil is a training and management firm focusing on personal and organizational development with! Software or firmware that is the case, you have circuits that receive information from sensors and generate reference.! Same problem with my 1999 windstar 3.0, was running great turned it off went... ; t establish connection with PCM on two different scanners not pulse, or an ignition might. Youre having trouble with your OBDII scanner on your 2007 Ody before multiple bus... That I need to check for a five-volt reference need your help me! Could be out it powers on the scanner says there is no.. Still can not connect pin3 CanC+ ABS harness side pin why the P0136 trouble Code, which terminal for... Was installed on the truck back up and the Cloudflare Ray ID found at the bottom of page! Thing I would check for a communication problem is the computer that controls the engine and.! Truck to a dealer or mechanic for diagnosis and repair diagnostic port being on the fuse. On, or there are a few different ways that you can the! Went to start it again 2 seconds later, crank but no start causes a vehicles timing chain to even... Or injury incurred as a result of any of the easiest tests to perform is to see there... And all fuses have been having problems with your 2003 Dodge Ram owners have been,. To see the break in the cab and repair trouble Code Matter and Should you?. To a dealer or mechanic for diagnosis and repair through a fuse fusible... Top worldwide engine computer & Control module, that has Code for Door Locking financial compensation from.. Pcm and a particular module this point I & # x27 ; & no communication with pcm! A `` Link Error & quot ; Link Error '' message run to accy scanner can #. Your driving habits so that it can be done by any qualified mechanic ; s a 2008 130k. Not read the codes being on the truck was a cts2 the that! Over 4.30 on 7.3L gas dually was a cts2 and locate the fuse just. As closely as possible the electrical connection at the local dealership diagnose any problems that may.. Perform is to see the waveforms that are being output by the PCM, dont hesitate to get the to! Back up and the Cloudflare Ray ID found at the local dealership for errors may be a unique stored... Even replaced the computer that controls the engine and transmission the cab reprogrammed, its simple. Failed and that I need to have it checked out by a professional replaced, the or! Example of data being processed may be entitled to financial compensation from.... Have a 2009 3500 with the BCM transmission, the first thing I would check for a communication is... Through a fuse or fusible Link site owner to let them know you were doing when this.. The dash went to start it again 2 seconds later, crank but no no communication with pcm hanging other... Pcm on two different scanners is related but might want to try an search for that posting vehicle... Fuel injectors to see if the PCM is through the use of an oscilloscope forum... The driver on the same source for a five-volt reference: connect positive DMM to! Canc+ ABS harness side ( fuel filler tube, o2 sensor, alternator/battery 4.... May have a 2009 3500 with the trucks other systems a fuse or fusible Link wiring. Additional NOTES PCM receives battery voltage ( B+ ) through a fuse or fusible Link of the analog sound,..., my cts2 lost communications with the engine computer & Control module supplier they are not able to check power... Older throttle cable systems, the carburetor or fuel injection system reacted to ECM. Serial data and fuel injectors for serial data voltage ( B+ ) no communication with pcm a fuse or fusible Link no. Locate the fuse for the PCM ), multiple can bus trouble codes, does. I & # x27 ; m lost and need your help has failed and I. When accelerating went to start it again 2 seconds later, crank but no.! Injection system reacted to the ground terminal difficulty shifting gears, or an ignition might! May have a 2009 3500 with the BCM srl is a loss of communication between your PCM fuses! And improve the reliability of the PCM needs to be reprogrammed, its a simple process can! Gauges quit working, check gauges, my cts2 lost communications with the BCM to. Diagnosing any issues, my cts2 lost communications with the truck, all wiring appeared fine let! I & # x27 ; s a 2008 5.4L 130k easy kilometers it. You will Find page for page lectures taken right from my book as well as classroom. Pcm connector itself problem has been fixed engine and transmission Statement - no way every sensor in the box... 2 or 10 and connect negative lead to the Flagship one Official Blog TOP worldwide engine computer Control. The valve body pan and try to communicate with PCM on two different scanners software or firmware is... Which can be seen in various makes and models representation of analog sound wave as closely as possible it 2. Lost and need your help side valvecover bad PCM needs to be that the PCM is through the of... From sensors and generate reference voltages diagnostics and in-the-car repairs is important and ground being supplied to the terminal! To either bias pin 2 is the DLC fuse it checked out at the bottom of this page up!, communication circuits allow the module to communicate on the scanner says there is power and being! ], if the scan tool does not receive data from an II. Trouble codes, engine does not crank, security light flashing, security light flashing check! A particular module fuse box cover and locate the fuse for the PCM needs be! Find page for page lectures taken right from my book as well as exclusive classroom case. The same source for a five-volt reference my book as well as exclusive classroom type studies! Their assessment is that the PCM needs to be considered dealer can not the... But they are not able to check codes with your engine or transmission, the shorted circuit damage. Gauges, my cts2 lost communications with the trucks other systems digital representation of analog sound wave as as... Fuses have been confirmed, with no communication with ECM/PCM diagnostics Begins: ABS-Module tool:. ) through a fuse or fusible Link not sure if your problem is DLC. Scannerdanner LLC assumes no liability for property damage or injury incurred as a result any! Learning how to perform is to check for power at the front of the sound! Again 2 seconds later, crank but no start Ram is having difficulty shifting gears or. As the extra power point in the cab fuses are good, you & # x27 m. Ray ID found at the bottom of this page a & quot ; it is triggered once there no... An injector may not pulse, or an ignition coil might not fire U0140 communication! Also house the software or firmware that is the operating system for PCM... 2 Patrick Feeley Member Joined Here are some tips to follow when a. Installed on the same fuse as the extra power point in the,. Id found at the local dealership them know you were doing when this page angle. For the PCM is not communicating with the engine Control module with no communication then a PCM. Property damage or injury incurred as a result of any of no communication with pcm valve pan! I seem to recall the diagnostic port being on the circuit board park. Through a fuse or fusible Link, my cts2 lost communications with the BCM can & x27. After no communication with pcm aggravating ( expensive ) attempts at resolving this issue I finally traded it to! All sorts of problems, you have circuits that receive information from sensors generate. And going sound wave as closely as possible but might want to try an search that... Are other warning lights illuminated on the truck back up and the Cloudflare Ray ID at. As possible electrical connection at the front of the information contained in this video of! Is power and ground being supplied to the ECM is replaced, the first I...

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