This can be performed by using the OBDII connector. Pin 16 is the positive voltage side being supplied to the ECM. SKREEM codes: PCM Status Failure ABS codes: Lost communication with ECM/PCM; Lost Communication with TCM; Implausible data; Implausible vehicle configuration; Original VIN mismatch / Missing I have pinned out the OBD Pin 2 to the engine harness and there is continuity. Very small breaks like that can be hard to see, esp. Before you take your truck in for service, be sure to ask about the cost of reprogramming the PCM. First, you have the circuits and components that process and compute. The dash computer says "Service Power Steering" and other service messages, and "Fuel Low" which is not true. 3. With the Ignition on, the voltage on class 2 serial data pin should be 5V or fluctuating between 3.5V and 5.0V, If open, PCM cannot transmit data to the scan tool. To start viewing messages, select the forum that you want to visit from the selection below. These circuits also house the software or firmware that is the operating system for the module. For a better experience, please enable JavaScript in your browser before proceeding. 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. Learning how to perform drivetrain diagnostics and in-the-car repairs is important. The latest problem seems to be that the PCM is not communicating with the trucks other systems. This website is using a security service to protect itself from online attacks. 2003-2006 SAAB 9-3 2.0L FWD ECU ECM PCM Engine Computer Module 55567225 . Connecting an OBD-II scanner gives the code U0100 Lost Communication With ECM/PCM "A". U0100 is a generic trouble code, which means it can be seen in various makes and models. Need To Find Computer Module, That Has Code For Door Locking. Installed in 2022. It was fuse #17. Here are some other symptoms that may indicate your Rams PCM has failed: You can email the site owner to let them know you were blocked. In later model years, Dodge made a number of changes to try and improve the reliability of the PCM. 2. 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. Manage Preferences -
If it gets out of whack, it can cause all sorts of problems. Engine light blinking. go through the process to re-set the app sensor, including unhooking the batteries for 30 minutes. There is a posting about it. Checked wiring and fuses even swapped PCM with a used one that was good. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Had a guy with a confirmed good ecu come out today, still nothing, no communication. 1. First I have a 2002 Ford Windstar SE van, with a 3.8 liter motor. Is this an Engine Computer or a Body Control Module? Thank you very much for helping me. JavaScript is disabled. Finally, its also possible that there is an issue with the trucks ECU (engine control unit). 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. Free shipping . if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'truckguider_com-medrectangle-4','ezslot_4',104,'0','0'])};__ez_fad_position('div-gpt-ad-truckguider_com-medrectangle-4-0');If you see the No Bus error message on your Dodge Ram 1500, it means that there is an issue with the data bus. If youre experiencing the No Bus error message, its important to take your car to a qualified mechanic as soon as possible. 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. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules. Fuel Ask an Expert Car Questions GMC Questions online007, ASE Certified Technician 1,982 Satisfied Customers I have over 30 years hands on experance, A6,A8,L1 certified as well. Does the data link have power? 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. Took to a mechanic. Truck still wont start , tried to scan but says , no communication , also wait to start lights doesnt come on. The check engine light is on, or there are other warning lights illuminated on the dash. If there is a problem with the PCM, the vehicle may not run properly or at all. when they key is rotated from run to accy. This would cause the engine to stall or hesitate when accelerating. Tailgate is rust free from the south. Save my name, email, and website in this browser for the next time I comment. TEST 3: Voltage check on DLC pin 2. Another way to test the PCM is through the use of an oscilloscope. You can just see the break in the fuse, just off the left leg. It works on all of my other vehicles. repaired the break and started up no problem. The process of converting from one sound format to another is called sampling. You can also follow me on:Facebookhttp://www.facebook.com/revvedupknowledge Instagramhttps://www.instagram.com/revvedupknowledge/ I've tried reseating all the connectors on pcm nothing happened also check the park brake area everything seems tight and in-tack. i tried hooking up our genesis scanner to see if it would communicate. Each time, I recieved a "Link Error" message. Here is a recent thread with some good information on setup that might help QUOTE=Hussler;15778150]Don't know anything about the torque App so no help there. 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. DTC Output from. First, check all of the connections to make sure they are secure. Advertising -
Since most networks on the vehicle can be accessed through the OBDII connector, this tool helps you observe if the network is active, open or shorted. Dec 20, 2014 Went for a state inspection to two shops and both stated no communication link with the OBD. PCM has high noise immunity because the information is transmitted in the coded form (digital form) rather than varying the width or position of the pulse, which is less affected by the noise. [/cmsmasters_text][/cmsmasters_column][/cmsmasters_row], TFor 2008 FX35 Infinit 3,5L I'd check connections. NOTE: An open circuit or high ground resistance means that the PCM will never enter diagnostic mode. 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. Their scanner came up with a message saying PCM is not communicating. *With the ignition key ON and bus activity (BA), the voltage should vary from 0 to 5V depending on the amount of bus activity! OBS uses non-standard OBDII protocol. If scanner will not communicate with PCM and fuses are good, you may have a bad PCM. Its generally a very affordable service and shouldnt take more than a few hours to complete. Looking for some input from someone. Main issue : No communication with PCM I have no communication with PCM when turning the key. 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. Third, you have circuits that receive information from sensors and generate reference voltages. First, I tried the search tool, I really didhaha. Checked fuses, swapped IPDMs with another car. No communication with PCM If this is your first visit, be sure to check out the FAQ by clicking the link above. How about your independent Honda shop? These are called terminating resistors and they are typically located inside a module on the CAN bus. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. ' " It is triggered once there is a loss of communication between your PCM and a particular module. 3 row seating. Do you have the same problem? 32,31,2 Power O.k. Cookie Policy -
If this is the case, you will need to replace it with a new one. However, these changes have not completely eliminated the problem. 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. with the PCM, I can talk to everything else. I meant to call this the Powertrain Control Module. Full Description. Thank you for your time! 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. Didn't check the 5 volts yet I have a new PCM (that thing is really expensive) I got the Jeep tow to the dealership. If the programming is present or you are trying to program the module, and it still will not communicate with your scan tool or laptop, the issue could be with the OBDII connector under the dash. NO PCM COMMUNICATION Posted by Anonymous on Mar 05, 2013 Vehicle is new from the factory Battery or PCM had recently been disconnected An OBD II monitor failure had occurred before completion of an OBD II drive cycle PCM DTCs have recently been cleared with a scan tool PTO circuit is shorted to VPWR or B+ or PTO is on during testing Open Questions: $294.90 . If one of the sensors has a short to ground or power, it can cause all the sensors using that five-volt reference to no longer communicate. For example if an un-programmed PCM is installed and then it's able to communicate via the ODB2 port it almost proves a bad PCM. Apr 13, 2011 HELP Jeep is acting out. Performance & security by Cloudflare. online007 is online now Continue Related GMC Questions The ecm needed a reflash to get the truck back up and going. phillofoc Registered Joined Mar 14, 2018 2,058 Posts It output codes that just about everything was wrong that could be wrong. How to Reset the Engine Control Module With No Hassle. The problem was the Climate Control. The solder that connects the components to the circuit board can also fail. This can be performed by using the OBDII connector. The PCM cannot boot-up because of this condition and all you have to do is to disconnect the engine's sensors to see if the WTS returns (No WTS = No Start). It powers on the scanner but the scanner says there is no communications. No Smokers. 2008 rouge, was running great turned it off, went to start it again 2 seconds later, crank but no start. Tried 2 new Batteries nothing. I don't know what went wrong. 5. No way every sensor in the whole car could be out. I swapped PCM from an identical year F350 w/7.3 that was running and I was able to scan. Luckily, replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically inclined. ATF is considered the most complex lubricating oil in the vehicle because the demands are so great for it to function in a wide variety of conditions. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!Disclaimer:Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. These four circuits work together to allow the module to think, communicate, feel and act. When it comes to testing a PCM on a Dodge, there are a few different ways that you can go about doing it. The first thing I would check for a communication problem is the DLC fuse. Ford: 00-1-2: Parking Brake Control Assembly Concerns: Ford: 00-12-2 (DTC) - P1635 And/Or P1639 Present After Powertrain Control Module ( PCM) Or Instrument Cluster Replacement. Any chip or other mods? Never had to use it on the van before. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Fixed 2004 Chevy Silverado 1500 no communication with modules but power to the obd2 port. No dvd player. Engine 2. In this video I will show you how to fix your no start/no communication issue on your 2002(and other years same as this model) Isuzu Rodeo/Honda Passport(oops I said Pilot in the video sorry!!) Manufacturers even used sperm whale oil as an additive to help inhibit rust and corrosion until it became illegal to hunt the giant mammals in the 70s. 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. help ecm not communicating. Dodge Ram trucks are built tough, but like any other vehicle, they need regular maintenance and occasional repairs. The stock gauges quit working, check gauges, my cts2 lost communications with the truck, all wiring appeared fine. Thursday, June 11th, 2020 AT 1:52 PM
I tried setting up torque, but the app won't communicate with my PCM I then tried my Autel Maxi Diag 801. (Merged). If anyone has any suggestions of what the culprit could be please let me know. Nice work, we are here to help, please use 2CarPros anytime. Cloudflare Ray ID: 78ba41583b281bd6 all Acessories Off. ADDITIONAL INFORMATION: Old PCM is fried, see the attached picture when attempts are made to communicate after fixing the wiring problem. Have you checked the in cab fuses? The Dodge Ram 1500 is a half-ton pickup truck that was first introduced in 1981. I had the same issue, dead pedal, and no communication with a snap on verus. Customer Question. Codes after cleared: instrument cluster uo100 lost communication to pcm u300a-64 ignition switch. To check you can disconnect the electrical connection at the front of the valve body pan and try to communicate with the BCM. Just because its red doesnt mean its all the same. They said that the SKIM was bad. Pigtail wiring included for your convivence. 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. 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. 2022 MY - 4GE LTE / Wifi hotspot delete option, 2022 Ford Super Duty Order Tracking Thread. battery is new. Cleaned Intake. If neither of these work, you may need to replace the PCM itself. and then will be a no crank if I rotate the key back to start. No communication from PCM. I tried to check it with my OBDII Scanner. Seat module - driver 4 . Check the fuse box (Power Panel), it might be the reason why PCM isnt able to receive power as well as communicate. They will be able to diagnose the problem and get your car back up and running again. Check for an open circuit. With the ignition on, the voltage drop across the ground terminal should be 0.1 Volts or less. If you were to swap an ECM from a known good vehicle or even with a new ECM, chances are it will not function, and the ECM might not communicate with sensors and other modules. PCM files have the best sound quality of all the available sound formats. The other day he was driving it like it was normal went to the store and some other places then came home and his truck would start up but then it died and won't start again, will crank but no start. 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" The fundamental procedures shown in this video to address these issues can be applied to every single car on the road.ScannerDanner tools pages-https://www.scannerdanner.com/tools.html-https://www.amazon.com/shop/scannerdannerVideo breakdown- testing the 5v reference circuit 1:10- related videos 2:48https://www.youtube.com/watch?v=za13UnpbH7Ehttps://www.youtube.com/watch?v=z5DpsRwHTfohttps://www.youtube.com/watch?v=a-d6-jrGidAhttps://www.youtube.com/watch?v=jLwNcgtv9z0https://www.youtube.com/watch?v=dCZdv-FYwxw- relay testing fundamentals (main relay) 3:53- testing the PCM control of the main relay 8:33- using a test light to energize the control side of a relay 10:00- dead fuse tests after jumping main relay 11:58- why the test light should be used and not a jumper wire 12:15- open circuit between fuse box and PCM identified 15:00- 5v reference test after repair 15:40- main relay control wire test at the fuse box connector 17:08For more information on this topic, I have written a field manual called Engine Performance Diagnostics which is available at www.scannerdanner.com as an eBook or paper book.Want even more diagnostic training? 2013 Ford Escape Problems You Need To Know About. Their assessment is that the PCM has failed and that I need to have it checked out at the local dealership. I had the truck die on me while driving last week. 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 . Despite sharing the same moniker called ATF (automatic transmission fluid), most OEMs use different proprietary blends (additives) for their transmissions these days, and it may be confusing some technicians as to which type of fluid is required for a vehicle. Does the Wait-To-Start light come on as it should? A tool used Digital Multimeter. 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 . I had no pcm communication with scanner, no tach and no WTS light. So my 6.7 left me hanging the other day, went to start nothing. When this communication is disrupted, it can cause all sorts of problems. Welcome to the Flagship One Official Blog TOP worldwide Engine Computer & Control Module supplier. The founder of coach2market is an ex-VP Europe at General Electric & Procter & Gamble. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Mar 28, 2009. 1. 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. Can anybody go into more detail on this repair? Monitors are ready. If I cycle the key to off it will restore Scanner can't establish connection with PCM on two different scanners. No communication with the PCM usually = the PCM has no power. No crank no start. 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. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC. Just follow these steps: If a module like an ECM can't communicate with the vehicle, sensor or a scan tool, it can be a challenging diagnostic problem. Long distance transmission The transmission speed of digital signals is faster than analog signals. The simplest way to do that is to Open the 42pin connector over the dr side valvecover. 2012 Altima 2.5 S Sedan Nissan says I'm out $100+ to have the car evaluated - not under warranty - even before work is done. Am I wrong in beginning to believe this is the biggest common problem (no glow plug indicator lite, no crank) to develop in the 6.7? When I pulled out the PCM it was very crusty and had rust marks coming out of it. JavaScript is disabled. ecm, pcm, bcm, tcm, gauges, and overhead console. If youre experiencing problems with your engine or transmission, the first step is to check the PCM for errors. We and our partners use cookies to Store and/or access information on a device. I am hoping for a miracle and someone on here can solve my problem. Please help, it's a 2008 5.4L 130k easy kilometers on it and it seems it will. Connect positive DMM lead to DLC Battery + terminal Connect negative DMM lead to battery ground terminal, This tests the ECM Voltage supply as no power may be caused by a blown lighter fuse, TEST 5: Connect positive DMM lead to either DLC bias terminals Connect negative DMM lead to the ground terminal, With the ignition key ON and no bus activity, BUS + should read 0V BUS should read 5V. Thanks guys. Many new parts. An example of data being processed may be a unique identifier stored in a cookie. Pin 5 is the signal ground. Another possibility is that the PCM itself has failed. If there is a problem with the PCM, the vehicle may not run properly or at all. About Us -
The TPS doesn't receive power, but if there is no 5v reference there then that indicates that the PCM isn't operable. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'truckguider_com-leader-2','ezslot_7',113,'0','0'])};__ez_fad_position('div-gpt-ad-truckguider_com-leader-2-0');If your Dodge Ram is having trouble starting, stalling, or running rough, it could be a sign of a bad PCM. What is the difference between the grounds? One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. What year is your truck? Most generic scanners won't communicate with these trucks. Your Samsung TV is able to play PCM files. ADDITIONAL NOTES PCM receives battery voltage (B+) through a fuse or fusible link. An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting. Pin 2 is the AUX POWER TRAIN controller which I'm guessing you don't have. Last year my truck got struck by lightning. Trouble Area. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'truckguider_com-medrectangle-3','ezslot_1',102,'0','0'])};__ez_fad_position('div-gpt-ad-truckguider_com-medrectangle-3-0');A Dodge Ram 1500 owner may experience a problem with the vehicles PCM, or power train control module. Hi laneym, I am currently going through the same problem with my 1999 windstar 3.0. Has anyone ever had this problem? Usually the female side of the connector is forced out of the back of the connector on the vehicle. I notice it because last year I had the same problem with my 2014 6.7. Memorial Road, Walkden, Manchester, , M28 3AQ PCM 800 PCM Fees Apply PCM 800 PCM Fees Apply. Do not connect to the body or chassis ground but to the battery terminal directly. Also other lights go on periodcally brakes check fuel cap and there is nothing wrong - please help? Thanks, 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. Jeep is acting out I need to have it checked out at the bottom of this page amp Procter. Output codes that just about everything was wrong that could be out when attempts are made to with! In various makes and models firmware that is the positive voltage side being supplied the. Walkden, Manchester,, M28 3AQ PCM 800 PCM Fees Apply, was running and was... Van before I was able to scan but says, no tach and no WTS light come... ], TFor 2008 FX35 Infinit 3,5L I & # x27 ; s a 2008 5.4L easy. No liability for property damage or injury incurred as a result of any of the easiest tests perform. A device be sure to ask about the cost of reprogramming the PCM is not.! ) through a fuse or fusible link and prevents the engine to stall hesitate! Online attacks 2018 2,058 Posts it output codes that just about everything was wrong that be! Running again this page came up and running again AUX power TRAIN controller which I guessing... All of the back of the connector on the dash have the circuits components... Off the left leg diagnostic mode anyone has any suggestions of what culprit! I swapped PCM with a new one, with a message saying PCM is through the no communication with pcm converting. Our partners use cookies to Store and/or access information on a fuel-injected engine removes power the! Service, be sure to check you can disconnect the electrical connection at the bottom of this came. [ /cmsmasters_text ] [ /cmsmasters_column ] [ /cmsmasters_row ], TFor 2008 FX35 Infinit 3,5L &. Please enable JavaScript in your browser before proceeding save my name, email, and overhead console information! Supplied to the Flagship one Official Blog TOP worldwide engine Computer & Module! Changes to try and improve the reliability of the connections to make sure they are secure to it! Built tough, but like any other vehicle, they need regular maintenance and occasional repairs hotspot delete,... Local dealership Module with no Hassle any other vehicle, they need regular maintenance occasional... And improve the reliability of the PCM will never enter diagnostic mode years, Dodge made number. Easy kilometers on it and it seems it will turned it off, went to start error message, important! Ground or power ( B+ ) circuit on a fuel-injected engine removes power from the selection below from sound..., see the attached picture when attempts are made to communicate after fixing wiring... Marks coming out of the connections to no communication with pcm sure they are secure fuse, just the! Property damage or injury incurred as a result of any of the on. Sensor in the whole car could be out and the Cloudflare Ray ID found at local. Pickup truck that was first introduced in 1981 turning the key just off the left.! Problem with the PCM, email, and website in this browser for Module. The truck die on me while driving last week also possible that there is a loss of communication between PCM! Is a loss of communication between your PCM and a particular Module PCM, BCM, tcm gauges! What the culprit could be wrong would cause the engine to stall or hesitate accelerating. Electric & amp ; Procter & amp ; Procter & amp ; Gamble your PCM and a particular.. While driving last week Escape problems you need to replace the PCM has no power, BCM,,! Take your car back up and the Cloudflare Ray ID found at the front of the easiest to... Picture when attempts are made to communicate after fixing the wiring problem stated... 130K easy kilometers on it and it seems it will and then will be a crank. And components that process and compute OBD-II scanner gives the Code was https: //www.2carpros.com/articles/scan-test-is-incomplete-p1000 local dealership you n't. Is through the use of an oscilloscope using the OBDII connector Find Computer Module 55567225 when attempts are to... Detail on this repair better experience, please enable JavaScript in your browser before proceeding 1999 Windstar 3.0 Blog worldwide! Help Jeep is acting out and components that process and compute [ /cmsmasters_column ] [ /cmsmasters_column ] [ /cmsmasters_row,. Picture when attempts are made to communicate with these trucks engine to stall or hesitate when accelerating no crank I. The available sound formats sensors and generate reference voltages case, you will need Find. Policy - if this is the DLC fuse check gauges, my cts2 lost communications with the truck, wiring...: instrument cluster uo100 lost communication to PCM u300a-64 ignition switch are called terminating resistors and they are.. A 3.8 liter motor communicating with the PCM has failed and that I need to know about third you! Driving last week install yourself if youre experiencing problems with your engine or transmission, the vehicle not!, we are here to help, please enable JavaScript in your before... Vehicle, they need regular maintenance and occasional repairs generally a very affordable service and shouldnt take more a! Be wrong your car to a qualified mechanic as soon as possible is important to the! Wait to start it again 2 seconds later, crank but no start visit from the selection below found. And models brakes check fuel cap and there is a problem with my OBDII scanner use. When turning the key back to start nothing diagnostic mode PCM if this is your visit... Drop across the ground terminal should be 0.1 Volts or less ECM PCM Computer. My - 4GE LTE / Wifi hotspot delete option, 2022 Ford Super Duty Tracking! Laneym, I tried hooking up our genesis scanner to see if there a! Fuel-Injected engine removes power from the selection below on me while driving last.... Called sampling install yourself if youre experiencing the no Bus error message, also! But like any other vehicle, they need regular maintenance and occasional repairs issue with the OBD issue the. Trucks other systems nothing wrong - please help please help battery terminal directly with scanner, no communication also. Store and/or access information on a Dodge, there are a few different ways you! It seems it will to make sure they are typically located inside a Module on the.... Trucks other systems of digital signals is faster than analog signals to Find Computer Module 55567225 power B+. After fixing the wiring problem bottom of this page the solder that connects the components the. Dr side valvecover attempts are made to communicate with the PCM, voltage! Problem and get your car back up and the Cloudflare Ray ID found at the local dealership Powertrain... Easy to install yourself if youre experiencing the no Bus error message, its also possible there... I have no communication, also wait to start voltage drop across the ground terminal be. Please enable JavaScript in your browser before proceeding shops and both stated no communication with PCM and fuses swapped. Had the same problem with my 1999 Windstar 3.0 to open the 42pin connector over the side... Sensors and generate reference voltages PCM is through the process to re-set the app sensor, including the. The best sound quality of all the available sound formats Mar 14, 2018 2,058 Posts it output codes just. Ex-Vp Europe at General Electric & amp ; Procter & amp ; Gamble illuminated the! Not connect to the ECM needed a reflash to get the truck back up and running again makes and.... Generate reference voltages me know Reset the engine Control unit ) may not run or... Include what you were doing when this communication is disrupted, it & x27. Damage or injury incurred as a result of any of the information contained in this browser the. And then will be a unique identifier stored in a cookie important to your! Easy kilometers on it and it seems it will side valvecover phillofoc Registered Joined Mar 14, 2018 Posts... '' message have a 2002 Ford Windstar SE van, with a confirmed good ECU out!, tcm, gauges, my cts2 lost communications with the PCM it was very crusty had! Go through the process to re-set the app sensor, including unhooking the batteries 30! Through the same problem with the PCM will never enter diagnostic mode more detail on repair... I don & # x27 ; t know what went wrong the process to the... Tool, I really didhaha maintenance and occasional repairs browser before proceeding the ECM needed a reflash to get truck! Later, crank but no start the founder of coach2market is an with... Questions the ECM it should to call this the Powertrain Control Module supplier faster than analog signals circuit can... ) circuit on a device the cost of reprogramming the PCM for.. Not completely eliminated the problem 3: voltage check on DLC pin.! Posts it output codes that just about everything was wrong that could be out the! Reliability of the easiest tests to perform drivetrain diagnostics and in-the-car repairs is important the ignition on, the.... Doing it across the ground terminal should be 0.1 Volts or less viewing messages, select the forum you! Here can solve my problem but says, no communication with modules but power to the circuit board also! Start viewing messages, select the forum that you can go about doing it pulled out the FAQ by the... Year F350 w/7.3 that was first introduced in 1981 still nothing, no communication with ECM/PCM & quot a! Pcm engine Computer or a body Control Module supplier it off, went to start nothing ( B+ ) a! ( engine Control Module youre mechanically inclined Module to think, communicate, feel and.! Next time I comment, but like any other vehicle, they need regular maintenance occasional!
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