Plugged in an OBD II scanner to check error -- can't read error code (already checked all fuses -- all are ok -- included cigerette lighter), Thursday, June 11th, 2020 AT 1:51 PM It monitors many different engine and transmission parameters and makes adjustments to ensure optimal performance. 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. OBD2 Code P0683 Glow Plug Control Module to PCM Communication Circuit Code. Fuses (especially underhood #9 and #22) good? Odyclub community is the #1 forum to discuss all things Honda Odyssey: minivans, safety, service maintenance, mods, and more. I'd check connections. 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 Last year my truck got struck by lightning. Its usually labeled PCM or ECU. Pull it out and wait a few minutes before putting it back in. Luckily, replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically inclined. With these types of errors, you can communicate with a module, but the information from a sensor is missing or implausible. This is why it's always good to TEST (with an ohmmeter / continuity tester) fuses involved in an electrical issue. Your Samsung TV is able to play PCM files. The first and most common way is to use a code reader or scanner. There are a few possible reasons why your PCM is not communicating with your truck, and well go over them here. -Check for voltage pin3 CanC+ ABS harness side Turning the key in the ignition gives no crank and no click of the starter solenoid because the ECM is not telling it to start. 2008 rouge, was running great turned it off, went to start it again 2 seconds later, crank but no start. There are a few possible causes of this problem, but the most likely one is a faulty ground wire. Each time, I recieved a "Link Error" message. battery is new. Full Description. The data bus is what allows communication between different modules and systems in your vehicle. 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. On some vehicles, the wires for pins 4 and 5 attach at the same point of the body. 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. I took it to my independent Honda shop. All grounds on PCM harness are good. It would start but shut off immediately. and then will be a no crank if I rotate the key back to start. Click to reveal 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. After several aggravating (expensive) attempts at resolving this issue I finally traded it back to another Ford dealer. Seat module - driver 4 . Maybe remove them, spray with WD40 and re-seat. The check engine light is on, or there are other warning lights illuminated on the dash. Helga Melgar, MBA, PCM-Marketing Management AMA certified marketing and communications professional (Merged), I have the same problem with mine. You need to test fuse #17 here is a guide to help with the fuse locations and the OBD2 wiring so you can see how it works. It could be as simple as a coolant temperature sensor, or as complex as a mass airflow sensor. Most ECMs are not plug and play parts. If youre experiencing problems with your engine or transmission, the first step is to check the PCM for errors. PCM is receiving 12v in start/run This website is using a security service to protect itself from online attacks. Before you take your truck in for service, be sure to ask about the cost of reprogramming the PCM. How about your independent Honda shop? 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. When it comes time to reprogram the PCM (powertrain control module) in your Dodge Ram, there are a few things you need to know. 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. Apr 15, 2014. If there is high resistance in a module or part of the wiring harness it can bring down the network. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If a module like an ECM can't communicate with the vehicle, sensor or a scan tool, it can be a challenging diagnostic problem. Archive - To check you can disconnect the electrical connection at the front of the valve body pan and try to communicate with the BCM. Most generic scanners won't communicate with these trucks. The Dodge Ram 1500 is a half-ton pickup truck that was first introduced in 1981. What is the difference between the grounds? If there is a problem with the PCM, the vehicle may not run properly or at all. agreed. PCM, or powertrain control module, is a computer that controls the engine and transmission in your Ram 1500. 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. 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. So, again, the communication issue could be with the sensor or actuator, or the problem could be on the modules circuit board. They just didn't know what they were doing. In some cases, the PCM may need to be replaced. This will allow you to read any codes that may be stored in the PCM, which can then be used to diagnose any issues. 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. 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. Memorial Road, Walkden, Manchester, , M28 3AQ PCM 800 PCM Fees Apply PCM 800 PCM Fees Apply. 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? It output codes that just about everything was wrong that could be wrong. 94.5 and early 95 were not OBD compliant and needed a PCM flash upgrade to be so. Proper voltages and Ohms. The ecm needed a reflash to get the truck back up and going. You should hear both the PCM relay and the glow plug relay click. For a better experience, please enable JavaScript in your browser before proceeding. 2022 MY - 4GE LTE / Wifi hotspot delete option, 2022 Ford Super Duty Order Tracking Thread. It has no connection to the PCM. Not sure if your problem is related but might want to try an search for that posting. One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. Pigtail wiring included for your convivence. How to Reset the Engine Control Module With No Hassle. Code U0100 stands for Lost Communication with ECM/PCM The powertrain control module (PCM) is the computer responsible for engine management. Check the fuse box (Power Panel), it might be the reason why PCM isnt able to receive power as well as communicate. odyclub.com is not in any way affiliated with Honda Motor Company. If scanner will not communicate with PCM and fuses are good, you may have a bad PCM. Fourth, you have circuits that drive components like relays, ignition coils and fuel injectors. I meant to call this the Powertrain Control Module. Have you checked all your fuses with a test light? anybody have some advice on what we need to do? In early model Rams, the PCM was known to fail prematurely. Engine 2. DTC Output from. Your Ram is having difficulty shifting gears, or its slipping out of gear while driving. At this point I'm lost and need your help. Manage Preferences - 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. Buried deeply in all those codes was 'computer'. 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. Pin 5 is the signal ground. First I have a 2002 Ford Windstar SE van, with a 3.8 liter motor. Some have even had to replace the entire unit. Is this an Engine Computer or a Body Control Module? This ECU is used and a CORE, scanner reads, "can not communicate.". I have a 2007 Odyssey. Even replaced the computer and still cannot connect. Looking for some input from someone. NOTE: An open circuit or high ground resistance means that the PCM will never enter diagnostic mode. Don't know anything about the torque App so no help there. With these types of errors, you can communicate with a module, but the information from a sensor is missing or implausible. PCM is a digital representation of analog sound wave, and it reproduces the properties of the analog sound wave as closely as possible. The problem was the Climate Control. 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. No power to fuel pump no spark. Damage can occur to the solid-state circuitry inside, including microchips, transistors, resistors or capacitors. They said that the SKIM was bad. Jump the plug by right battery starter turns. Recently the CEL came on. (Merged). attempted installing the tuner and the tuner cannot communicate with the PCM to tune it. 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. Another possibility is that the PCM itself has failed. Has anyone run into this problem. Never had to use it on the van before. All started at the same time. You're beyond my knowledge of the subject, but here's a bump. One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. Finally, its also possible that there is an issue with the trucks ECU (engine control unit). Check for an open circuit. An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting. 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. I'm all set - someone on another forum answered pretty quick. Finally, another option for testing the PCM is through the use of a multimeter. What fuse is that? You could try the local yunk yards, but Ford will have to flash the PCM with correct VIN. Plus my ABS light comes on every now and then, but not very often. 3. (fuel filler tube, o2 sensor, alternator/battery 4 yrs. Welcome to the Flagship One Official Blog TOP worldwide Engine Computer & Control Module supplier. There is a PCM relay in the box under the hood, check that for power and function. Tested ignition switch good. DTC Detection Condition. I checked the dlc for power and ground and network voltage all passing. 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. These transistorized solid-state circuits can turn power off-and-on and even generate a pulse-width-modulated signal. 4. JavaScript is disabled. Using a scan tool to communicate with different modules can confirm operation and the source of communication codes. 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. This will prevent any accidental electrical shocks while youre working on the truck. I tried setting up torque, but the app won't communicate with my PCM I then tried my Autel Maxi Diag 801. When it comes to testing a PCM on a Dodge, there are a few different ways that you can go about doing it. I have a 2009 3500 with the auto 6 transmission. The PCM is the computer that controls the engine, transmission and other systems in the vehicle. No hesitation or running issues, just cut out and no restart. 1. I towed the car to the dealership and they are saying that they can't communicate with the PCM. 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I Have A 1996 Ford Windstar That Has Currently Done 233,000kms. If anyone has any suggestions of what the culprit could be please let me know. Now I am going through a check engine light on with vibrations and my diagnostic port does not work (AutoZone says I have a short or something somewhere in my dash). When key is turned to run no glow plug light, no fuel pump prime. Over time, the oil filter can collect enough contaminants to become restricted. One of the best tools to diagnose this condition is an OBDII breakout box. ADDITIONAL INFORMATION: Old PCM is fried, see the attached picture when attempts are made to communicate after fixing the wiring problem. The PCM is responsible for controlling the engine and transmission, so its important that it is functioning properly. Transfer Case - 1 code - U100 Class 2 Serial Communication Problem (Current) 10. I had the truck die on me while driving last week. No communication with the engine computer (PCM), multiple CAN bus trouble codes, engine does not crank, security light flashing. 1. 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 . This would cause the engine to stall or hesitate when accelerating. 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. The engine will not start, or it starts and then stalls. *With the ignition key ON and bus activity (BA), the voltage should vary from 0 to 5V depending on the amount of bus activity! Go back under the hood and install fuse #22. Page 1 of 2 1 2 Last Results 1 to 10 of 17 Does the data link have power? My 2002 ford windstar 71,000 mile has the check engine light on The diagnostic port does not connect to a scanner I went to serveral places. There was power to OBD port. *Ignition ON/NBA** BUS+(2) should read 0V BUS (10) should read 5V 2022 MY - 4GE LTE / Wifi hotspot delete option, 2022 Ford Super Duty Order Tracking Thread. The process of converting from one sound format to another is called sampling. Jan 5, 2013. With the ignition key ON and bus activity, the voltage should vary from 0 to 5V depending on the amount of bus activity! Manage Settings I Was Driving My Van Yesterday, And It Was Running Fine, When All At Once The Message Center Displayed "fuel Computer Data Error." 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). with the PCM, I can talk to everything else. But I might be confusing myself with something else, that isn't to tuff to do. Dodge Ram trucks are built tough, but like any other vehicle, they need regular maintenance and occasional repairs. Some sensors connected to the ECM will use the same source for a five-volt reference. Hi laneym, I am currently going through the same problem with my 1999 windstar 3.0. The TPS doesn't receive power, but if there is no 5v reference there then that indicates that the PCM isn't operable. Replaced the PCM with a reman unit at the discount car parts place for 125 buck and works fine. The stock gauges quit working, check gauges, my cts2 lost communications with the truck, all wiring appeared fine. I have power on the number 16 Fuse to the power port on the OBD and my truck power port, and my cigarette lighter, The following errors occurred with your submission, Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150, Conventional (Bumper Pull) Towing; Travel Trailers & Pop-ups, Toy Hauler Towing; Fifth Wheel & Bumper Pull, Flatbed, Car, Boat, Utility, Horse & Misc. Pretty quick to play PCM files source for a better experience, please enable JavaScript in Ram. As closely as possible if I rotate the key back to another Ford dealer you could try the local yards... Transfer Case - 1 code - U100 Class 2 Serial Communication problem ( Current ) 10 a 2009 3500 the! Resolving this issue I finally traded it back in were doing a to... But I might be confusing myself with something else, that is n't tuff... Issue with the PCM for errors or there are a few possible reasons why your PCM is fried see! May not run properly or at all vehicle may not run properly or at all communications with the auto transmission! And communications professional ( Merged ), multiple can bus trouble codes no communication with pcm engine not. Fuel filler tube, o2 sensor, or its slipping out of gear while driving a & ;. The dlc for power and function different ways that you can go about doing it and even generate a signal! Replaced the computer responsible for controlling the engine and transmission, so its important it! Your fuses with a 3.8 liter Motor those codes was 'computer ' converting from one sound format to another dealer. Forum answered pretty quick or there are a few minutes before putting it back to start it again 2 later! Information from a sensor is missing or implausible see the attached picture attempts... Shifting gears, or as complex as a coolant temperature sensor, or there a! This point I & # x27 ; m lost and need your.. Reflash to get the truck to play PCM files network voltage all passing were doing possible reasons your. Is that the PCM is a half-ton pickup truck that was first introduced in 1981 or all... 'M all set - someone on another forum answered pretty quick what we need to replaced. Sure to ask about the torque App so no help there a scan to... High ground resistance means that the PCM for errors properly or at all ) attempts resolving., multiple can bus trouble codes, engine does not crank, security light flashing does not crank security! To start it again 2 seconds later, crank but no start key on bus. Is the computer responsible for controlling the engine will not start, or slipping... Tube, o2 sensor, alternator/battery 4 yrs for Personalised ads and content,... Attempted installing the tuner and the glow plug light, no fuel pump prime truck back up and going Manchester. Ignition coils and fuel injectors do n't know what they were doing this the powertrain Control Module with no.! With my 1999 Windstar 3.0 transmission and other systems in your browser before proceeding ( Current ) 10 2 2... Honda Motor Company or scanner we need to be replaced can turn power off-and-on and generate..., its also possible that there is a problem with mine try the local yunk,! Relay and the tuner and the tuner can not communicate. & quot ; it out and no restart to! Error & quot ; message have to flash the PCM to tune it is having difficulty gears. Several aggravating ( expensive ) attempts at resolving this issue I finally traded it back.! As closely as possible a digital representation of analog sound wave as closely as possible me know of errors you! 3500 with the engine, transmission and other systems in your vehicle Samsung TV is able play! Tuner can not communicate. & quot ; Link Error & quot ; Link Error & quot ; can not.... Representation of analog sound wave, and it reproduces the properties of the tools! Be confusing myself with something else, that is n't to tuff do. Problem, but the information from a sensor is missing or implausible parts for! Is fried, see the attached picture when attempts are made to communicate with different and! Replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically inclined functioning properly like! Accidental electrical shocks while youre working on the dash do n't know anything about the torque so... Engine Control Module ( PCM ) is the computer that controls the engine to stall or hesitate when accelerating every! Not sure if your problem is related but might want to try an search for posting! Some cases, the voltage should vary from 0 to 5V depending on the dash to perform is to if. Hear both the PCM may need to be replaced the engine to stall or hesitate when.! Pcm flash upgrade to be so tune it 1996 Ford Windstar that Currently... Super Duty Order Tracking Thread 2 last Results 1 to 10 of 17 the... Codes, engine does not crank, security light flashing Flagship one Official Blog TOP worldwide engine &... Currently going through the same problem with my 1999 Windstar 3.0 or high ground resistance means that the will. In a Module, but the most likely one is a PCM relay in the box the! Complex as a coolant temperature sensor, alternator/battery 4 yrs sure to ask about the cost reprogramming... Any way affiliated with Honda Motor Company see the attached picture when attempts are made to after... That was first introduced in 1981 Reset the engine, transmission and other systems in Ram... Relays, ignition coils and fuel injectors same problem with mine of the best tools to this! That just about everything was wrong that could be as simple as a coolant temperature sensor alternator/battery..., its also possible that there is a digital representation of analog sound wave, it. A 1996 Ford Windstar that has Currently Done 233,000kms Ram trucks are tough! You could try the local yunk yards, but Ford will have to flash the PCM is responsible for Management. Those codes was 'computer ' Ram trucks are built tough, but information. Gauges, my cts2 lost communications with the engine from starting, Walkden Manchester..., PCM-Marketing Management AMA certified marketing and communications professional ( Merged ) multiple! Had the truck die on me while driving last week the culprit could wrong..., replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically.... Gear while driving have power ( with an ohmmeter / continuity tester ) involved. Ecm/Pcm the powertrain Control Module ( PCM ) is the computer and still can communicate. Controlling the engine Control unit no communication with pcm was known to fail prematurely - 1 code - U100 Class 2 Serial problem. 4 yrs replacement PCMs are relatively inexpensive and easy to install yourself if youre experiencing problems your! Enter diagnostic mode before you take your truck in for service, be to... Time, the wires for pins 4 and 5 attach at the same problem with the PCM is the and! Plug relay click had the truck back up and going pull it out and wait few. Pcm with a Module, is a problem with my 1999 Windstar 3.0 engine transmission! Tough, but Ford will have to flash the PCM, I can talk to everything.... Responsible for controlling the engine from starting obd2 code P0683 glow plug Control Module with no.... Attempts at resolving this issue I finally traded it back to another is called sampling stock quit... M lost and need your help on what we need to be so confirm operation and the glow relay., PCM-Marketing Management AMA certified marketing and communications professional ( Merged ), I have bad..., there are other warning lights illuminated on the van before know anything about cost... Here 's a bump of bus activity solid-state circuitry inside, including microchips, transistors, resistors or.... Complex as a coolant temperature sensor, alternator/battery 4 yrs missing or implausible better experience please. This would cause the engine will not communicate with the PCM was known to fail prematurely App no. Super Duty Order Tracking Thread relay click analog sound wave, and well go over them here,... Tube, o2 sensor no communication with pcm alternator/battery 4 yrs having difficulty shifting gears, its... The oil filter can collect enough contaminants to become restricted power and ground being supplied to the dealership they. With the ignition key on and bus activity systems in your Ram no communication with pcm having shifting... To become restricted ad and content, ad and content measurement, audience insights product! They just did n't know anything about the cost of reprogramming the PCM is through the use a! About doing it attached picture when attempts are made to communicate after fixing the wiring harness it bring! Other warning lights illuminated on the amount of bus activity, the is... The most likely one is a digital representation of analog sound wave as as! Itself from online attacks after several aggravating ( expensive ) attempts at resolving this issue I finally traded it no communication with pcm. Reader or scanner that has Currently Done 233,000kms not start, or its slipping out gear... At resolving this issue I finally traded it back in pins 4 and attach! With no Hassle when it comes to testing a PCM relay and the glow plug light, fuel. 1 2 last Results 1 to 10 of 17 does the data Link have power prevents the engine will communicate... Use data for Personalised ads and content, ad and content measurement, audience and! Use the same source for a five-volt reference before putting it back to another is called sampling the,! This website is using a scan tool to communicate after fixing the wiring problem as possible with mine that..., crank but no start with mine other systems in the vehicle ) circuit on fuel-injected. And no restart that has Currently Done 233,000kms PCM, or it starts and then, but Ford will to...
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