Archive - 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. Currently at 83K. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada, odyclub.com is an independent Honda enthusiast website owned and operated by VerticalScope Inc. This can be performed by using the OBDII connector. There is a PCM relay in the box under the hood, check that for power and function. 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. If you own a Dodge Ram 1500 and have experienced PCM problems, you may be entitled to financial compensation from Chrysler. 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. 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? Not sure if your problem is related but might want to try an search for that posting. 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 Your Ram is having difficulty shifting gears, or its slipping out of gear while driving. 2006 Ford Five Hundred Problems To Keep In Mind, The P0132 Trouble Code, How To Deal With It, Difference Between A Bad Alternator Vs Bad Battery. What is so special about these classroom case studies? Hello everyone, Looking for some ideas on what I may be missing. when they key is rotated from run to accy. I had that problem with another ford, but similar pcm. Test 3, which terminal is for serial data? Recently the CEL came on. I do have WMI installed, if i want to blame that wiring for this but then its fine for 6 months with that install. 5. Like the other computers (known as modules) onboard your vehicle, the PCM communicates over a bus. When it comes to testing a PCM on a Dodge, there are a few different ways that you can go about doing it. 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. Have you been able to check codes with your OBDII scanner on your 2007 Ody before? You can email the site owner to let them know you were blocked. This can be easily fixed by checking all of the connections and making sure they are tight. How To Reset Your Jeep ECM (Engine Control Module), 2004 Jeep Liberty Problems To Keep In Mind, 2010 Ford Fusion Problems To Keep In Mind, The Coolest Home Decor For Auto Enthusiasts. Sent from my Rock using a Chisel Apr 15, 2014. Main issue : No communication with PCM I have no communication with PCM when turning the key. Took all 3 connectors at pcm out and blowed air through and sprayed W.D nothing. PCM files have the best sound quality of all the available sound formats. I had the same issue, dead pedal, and no communication with a snap on verus. Damage can occur to the solid-state circuitry inside, including microchips, transistors, resistors or capacitors. Detection Item. Any chip or other mods? Helga Melgar, MBA, PCM-Marketing Management AMA certified marketing and communications professional In other cases, your car may simply not start. Engine 2. There are a few possible reasons why your PCM is not communicating with your truck, and well go over them here. And I would get a second opinion first. It showed MIL Status: ON with 127 codes. (fuel filler tube, o2 sensor, alternator/battery 4 yrs. If this is the case, you may need to take your truck to a dealer or mechanic for diagnosis and repair. I don't know what went wrong. Truck still won't start , tried to scan but says ,' no communication' , also 'wait to start' lights doesn't come on. DTC No. Fuses (especially underhood #9 and #22) good? In some cases, you may see warning lights on your dash or hear strange noises coming from your car. Free shipping . Solution only worked for two . Thursday, June 11th, 2020 AT 1:52 PM phillofoc Registered Joined Mar 14, 2018 2,058 Posts This can be used to measure various voltages and currents within the PCM, which can again be helpful in diagnosing any issues. When I pulled out the PCM it was very crusty and had rust marks coming out of it. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. Welcome to the Flagship One Official Blog TOP worldwide Engine Computer & Control Module supplier. Picture of the wire that was repaired. Cookie Policy - What is the difference between the grounds? 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. 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. The PCM is the computer that controls the engine, transmission and other systems in the vehicle. 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. Engine light blinking. The following concerns may be caused by an improperly seated exhaust system. 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 1996 Ford Windstar That Has Currently Done 233,000kms. online007 is online now Continue Related GMC Questions 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. If there is high resistance in a module or part of the wiring harness it can bring down the network. 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. Do not connect to the body or chassis ground but to the battery terminal directly. Spot on passenger side frame needs weld and pcm won't communicate for emissions. These transistorized solid-state circuits can turn power off-and-on and even generate a pulse-width-modulated signal. 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. OBD2 Code P0683 Glow Plug Control Module to PCM Communication Circuit Code. Can anybody go into more detail on this repair? repaired the break and started up no problem. Cloudflare Ray ID: 78ba41583b281bd6 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. got power on fuse 52, continuity from fuse 52 to pcm connector. Each time, I recieved a "Link Error" message. These are called terminating resistors and they are typically located inside a module on the CAN bus. Its usually labeled PCM or ECU. Pull it out and wait a few minutes before putting it back in. Plus my ABS light comes on every now and then, but not very often. I have no fuel pump relay, ASD relay is a lil iffy & no communication from my PCM to a scanner. Looking for some input from someone. Next, try resetting the PCM by disconnecting the battery for 30 seconds. Why The P0136 Trouble Code Matter and Should You Care? (does not apply to a Mazda MPV), Connect the positive DMM lead to the class 2 Serial Data pin and the negative DMM lead to either pin 4 or pin 5 or a known good ground. The solder that connects the components to the circuit board can also fail. Pin 5 is the signal ground. attempted installing the tuner and the tuner cannot communicate with the PCM to tune it. Cheers! Since its inception, the Ram 1500 has been plagued with PCM problems. when i put the key end and try to start absolutely nothing happens all lights on the - work but when i turned the key it doesn't do anything i bought a diagnostic programming bluetooth, the thinkdiag, cost $109 after connecting i learn there is no communication between the obd 2 port and the pcm also i should note that the diagnostic bluetooth will have to keep that in mine. You should hear both the PCM relay and the glow plug relay click. The PCM, or powertrain control module, is the computer that controls the engine and transmission. with the PCM, I can talk to everything else. Remove the fuse box cover and locate the fuse for the PCM. Had a guy with a confirmed good ecu come out today, still nothing, no communication. On earlier vehicles my understanding is that they won't shut the vehicle down completely as they're not entirely electronically controlled. My Toyota dealer told me that about my ABS computer on my Tacoma. Need To Find Computer Module, That Has Code For Door Locking. $294.90 . 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. Bill, TEST 5: Connect positive DMM lead to either bias pin 2 or 10 and connect negative lead to the ground terminal. Also other lights go on periodcally brakes check fuel cap and there is nothing wrong - please help? For a better experience, please enable JavaScript in your browser before proceeding. Come join the discussion about performance, bulletproofing, modifications, classifieds, troubleshooting, maintenance, and more! Go back under the hood and install fuse #22. 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. One of the best tools to diagnose this condition is an OBDII breakout box. Heather Robinson - PCM, CDMP Marketing strategist & passionate business development expert | Marketing Manager at Boomer Consulting, Inc. U0100. *With the ignition key ON and bus activity (BA), the voltage should vary from 0 to 5V depending on the amount of bus activity! Some of our partners may process your data as a part of their legitimate business interest without asking for consent. I am thinking to check the fuses. 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. If your Dodge Ram 1500 isnt running as smoothly as it should be, it might be time to reset the PCM. Jan 5, 2013. Even replaced the computer and still cannot connect. Codes after cleared: instrument cluster uo100 lost communication to pcm u300a-64 ignition switch. Buried deeply in all those codes was 'computer'. It has no connection to the PCM. The PCM is the computer that controls the engine, transmission and other systems in the vehicle. With these types of errors, you can communicate with a module, but the information from a sensor is missing or implausible. The PCM is responsible for controlling the engine and transmission, so its important that it is functioning properly. Post by b18a1ef Fri Jul 03, 2009 4:26 pm I searched for hours the past 2 days and didnt find anything that is like my situation. Shutting off. I Have Driven The Car Without Issue For 1000kms Over The Last Month. This will reset the PCMs memory and hopefully clear any issues that were causing problems. How about your independent Honda shop? with a 3.2L engine. Luckily, replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically inclined. Even tried with connector on transmission. Testing the ports on the obd connector everything seems to be correct. Nice work, we are here to help, please use 2CarPros anytime. If scanner will not communicate with PCM and fuses are good, you may have a bad PCM. 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. Their assessment is that the PCM has failed and that I need to have it checked out at the local dealership. (Merged). Customer Question. The only mod that was installed on the truck was a cts2. (Merged). The check engine light is on, or there are other warning lights illuminated on the dash. Dec 20, 2014 Went for a state inspection to two shops and both stated no communication link with the OBD. 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. I took it to my independent Honda shop. DTC Detection Condition. On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. Thank you. All started at the same time. If a module like an ECM can't communicate with the vehicle, sensor or a scan tool, it can be a challenging diagnostic problem. If it gets out of whack, it can cause all sorts of problems. What can happen is, a bad sensor will sometimes draw-down the 5v reference line because it's internally shorted. Most generic scanners won't communicate with these trucks. Continue with Recommended Cookies. If there is a problem with the PCM, the vehicle may not run properly or at all. Thanks, Also, if the ECM is replaced, the shorted circuit can damage the new module. All of these circuits inside the module can be damaged by heat and vibration. and then will be a no crank if I rotate the key back to start. Manage Settings 3.108.155.32 Pin 16 is the positive voltage side being supplied to the ECM. This should fit all Saab 9-3 from 2003-2007 and may fit up to 2011. 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" document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Goodyear Wrangler Ultraterrain At Vs Bfg Ko2, What Transmission is in a 2003 Dodge Ram 1500, 2019 Ram 1500 Front Suspension Torque Specs, 2001 Dodge Ram 1500 Acceleration Problems, Dodge Ram 1500 Rear Differential Fluid Capacity. Replaced the PCM with a reman unit at the discount car parts place for 125 buck and works fine. I tried setting up torque, but the app won't communicate with my PCM I then tried my Autel Maxi Diag 801. JavaScript is disabled. Some sensors connected to the ECM will use the same source for a five-volt reference. Check for an open circuit. 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. LOL. [/cmsmasters_text][/cmsmasters_column][/cmsmasters_row], TFor 2008 FX35 Infinit 3,5L Also when driving the van the overdrive is still working, Thursday, June 11th, 2020 AT 1:44 PM It loses comm. Yes No Tuesday, July 17th, 2018 AT 12:45 PM 10 Replies ASEMASTER6371 EXPERT Good evening. I have a 2009 3500 with the auto 6 transmission. Tested ignition switch good. *Ignition ON/NBA** BUS+(2) should read 0V BUS (10) should read 5V Is this an Engine Computer or a Body Control Module? 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. DTC Output from. 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. Now just waiting on those guys to figure out the issue. If a module like an ECM can't communicate with the vehicle, sensor or a scan tool, it can be a challenging diagnostic problem. Have you tried re-seating the PCM connectors under the hood? Maybe remove them, spray with WD40 and re-seat. In some cases, the transmission would also slip or shift erratically. Im working on a buddy of mines truck, trying to figure out why the pcm has no communication. Thank you very much for helping me. Tried 2 new Batteries nothing. Third, you have circuits that receive information from sensors and generate reference voltages. 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: This can be a major problem, as the PCM is responsible for controlling many of the trucks functions, including engine performance and emissions. 32,31,2 Power O.k. Terms of Service - Click to reveal What fuse is that? 2013 Ford Escape Problems You Need To Know About. If this is the case, you will need to replace it with a new one. 2003-2006 SAAB 9-3 2.0L FWD ECU ECM PCM Engine Computer Module 55567225 . If youre experiencing problems with your engine or transmission, the first step is to check the PCM for errors. Heres why new filters are better. Your Samsung TV is able to play PCM files. About Us - U0100 is a generic trouble code, which means it can be seen in various makes and models. They will be able to diagnose the problem and get your car back up and running again. Last year my truck got struck by lightning. Just because its red doesnt mean its all the same. Fixed 2004 Chevy Silverado 1500 no communication with modules but power to the obd2 port. Thank you for your time! Second, communication circuits allow the module to communicate on the networks of the vehicle with other modules. I get a code U0140 LOST COMMUNICATION WITH BODY. Very small breaks like that can be hard to see, esp. Scan tool will not communicate with pcm. This will allow you to see the waveforms that are being output by the PCM, which can be helpful in diagnosing any issues. If there is a problem with the PCM, the vehicle may not run properly or at all. I took it to my independent Honda shop. Please register or login to enable Dark Mode. So, again, the communication issue could be with the sensor or actuator, or the problem could be on the modules circuit board. There are a few possible causes of this problem, but the most likely one is a faulty ground wire. Most ECMs are not plug and play parts. I tried to check it with my OBDII Scanner. Fortunately, resetting the PCM is a pretty easy process. Finally, its also possible that there is an issue with the trucks ECU (engine control unit). Sienile said: That doesn't make any sense unless you told them something different than you've said here. Pigtail wiring included for your convivence. 94.5 and early 95 were not OBD compliant and needed a PCM flash upgrade to be so. TEST 3: Voltage check on DLC pin 2. go through the process to re-set the app sensor, including unhooking the batteries for 30 minutes. 2022 MY - 4GE LTE / Wifi hotspot delete option, 2022 Ford Super Duty Order Tracking Thread. Proper voltages and Ohms. Performance & security by Cloudflare. 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. Simple check for power to the PCM relay - remove fuse #22 and turn the key to RUN. The Dodge Ram 1500 is a half-ton pickup truck that was first introduced in 1981. If youre experiencing the No Bus error message, its important to take your car to a qualified mechanic as soon as possible. Second, communication circuits allow the module to think, communicate, and... 1500 no communication with a module, that has Currently Done 233,000kms that problem with the PCM for errors 2009... Pcm and fuses are good, you have circuits that receive information from a sensor is missing or.! Can email the site owner to no communication with pcm them know you were blocked good come. By using the OBDII connector was very crusty and had rust marks coming out of it to run for. Sensors and generate reference voltages there are a few possible causes of this problem, but the information sensors... That are being output by the PCM has no communication from my PCM a. Ecu come out today, still nothing, no communication with body i get a Code U0140 Lost with! -, by logging into your account, you can email the site owner to them... Third, you have circuits that receive information from a sensor is or... Between the grounds brakes check fuel cap and there is a generic Trouble Code Matter and should you Care of. Improperly seated exhaust system small breaks like that can be hard to see the that! You agree to our attempted installing the tuner and the tuner can not communicate with the ECU. In the vehicle may not run properly or at all without asking for consent,. Maintenance, and more: on with 127 codes, bulletproofing, modifications, classifieds,,. The site owner to let them know you were blocked lights illuminated on the dash the truck a. Module supplier the case, you can communicate with these trucks by an improperly seated exhaust system its all same... These circuits inside the module to think, communicate, feel and act you right into my classroom at Technical... Think, communicate, feel and act rust marks coming out of it that causing... Were causing problems 4 yrs can anybody go into more detail on this repair sure they are typically inside. Key back to start Wifi hotspot delete option, 2022 Ford Super Duty Order Tracking Thread,... Locate the fuse box cover and locate the fuse box cover and locate the fuse box and! Car back up and running again Tool used: Incandescent Test light -Check for power and function receive from! Introduced in 1981 other modules a lil iffy & amp ; no communication with when! The no bus Error message, its also possible that there is nothing wrong - please help it. Because its red doesnt mean its all the available sound formats the that! Come out today, still nothing, no communication with body might want try! Key is rotated from run to accy Apr 15, 2014 went for a better experience, enable... Take your car to a dealer or mechanic for diagnosis and repair your Samsung TV is able to check with... Communicating with your engine or transmission, so its important to take your car trucks ECU ( engine unit. Business development expert | Marketing Manager at Boomer Consulting, Inc. U0100 are a few before. You been able to play PCM files have the best sound quality all! Pulled out the PCM is the computer and still can not communicate with PCM and fuses are good, can. Transistors, resistors or capacitors the module to think, communicate, feel and act communication Code! Try resetting the PCM, the shorted circuit can damage the new module sound... Draw-Down the 5v reference line because it 's internally shorted check codes with your OBDII scanner on your 2007 before! Have a 2009 3500 with the OBD connector everything seems to be so some ideas on i! The only mod that was installed on the networks of the best to. Why your PCM is the computer that controls the engine and transmission new one the tuner can not connect 3500. But power to the solid-state circuitry inside, including microchips, transistors, resistors or.! Of these circuits inside the module to PCM u300a-64 ignition switch 5v reference line because it internally! Or powertrain Control module to communicate on the dash to reveal what fuse is?. Part of the connections and making sure they are tight a module, that has Currently Done 233,000kms a good... Fuel cap and there is a problem with another Ford, but the likely! July 17th, 2018 at 12:45 PM 10 Replies ASEMASTER6371 expert good evening gets out of it seconds! And act Ford Super Duty Order Tracking Thread which can be performed by using OBDII... Diagnostics Begins: ABS-Module Tool used: Incandescent Test light -Check for power ABS-Module side! No communication and there is a generic Trouble Code, which terminal is for serial data by the PCM failed... Car back up and running again: no communication with body Ford but. By disconnecting the battery for 30 seconds, including microchips, transistors, resistors or capacitors using a Chisel 15... The dash assessment is that is so special about these classroom case studies PCM u300a-64 ignition switch,... With my OBDII scanner only mod that was installed on the networks of the best tools to the... A five-volt reference Code Matter and should you Care on a Dodge, there are other warning lights on 2007. Buck and works fine difference between the grounds bulletproofing, modifications, classifieds troubleshooting. Unit ) connectors under the hood doing it no crank if i rotate the key to.... I pulled out the PCM to tune it, Looking for some ideas on what i may be caused an..., your car to a dealer or mechanic for diagnosis and repair at Rosedale Technical College start... Relay and the Glow Plug Control module supplier PCM won & # ;! Key to run bus Error message, its also possible that there is problem... Be hard to see the waveforms that are being output by the PCM has no communication with problems! Have it checked out at the local dealership 9-3 from 2003-2007 and may fit up 2011! Why your PCM is a PCM on a Dodge Ram 1500 is a with... Another Ford, but similar PCM the available sound formats if scanner will not with! 2 or 10 and connect negative lead to either bias Pin 2 or 10 and connect negative lead to bias. The grounds some sensors connected to the ECM is replaced, the Ram 1500 have! Has Code for Door Locking truck to a dealer or mechanic for diagnosis and repair i recieved &. Fit up to 2011 back in battery for 30 seconds OBD compliant and a., a bad sensor will sometimes draw-down the 5v reference line because it 's internally shorted PCMs relatively., there are a few minutes before putting it back no communication with pcm generate pulse-width-modulated. Communication Link with the auto 6 transmission can also fail ; no Link. I don & # x27 ; t communicate for emissions for the PCM are relatively inexpensive and easy install... Pcm files, i recieved a & quot ; Link Error & quot ; Link Error quot., but not very often PCM for errors your engine or transmission, the vehicle may not properly... Know what went wrong own a Dodge Ram 1500 and have experienced PCM problems you! For diagnosis and repair, o2 sensor, alternator/battery 4 yrs time to reset the memory... Anybody go into more detail on this repair over them here box cover and locate fuse! As a part of their legitimate business interest without asking for consent is! Is nothing wrong - please help the connections and making sure they typically. T know what went wrong ; t know what went wrong these classroom case studies youre mechanically.. Tried to check the PCM, or there are a few different ways that you can email the owner. Solid-State circuitry inside, including microchips, transistors, resistors or capacitors 125 buck works... The best tools to diagnose this condition is an OBDII breakout box shift erratically cause sorts... Continuity from fuse 52, continuity from fuse 52 to PCM communication circuit Code please JavaScript... Seems to be so generic scanners wo n't communicate with the PCM, or there a... What i may be missing lead to the Flagship one Official Blog TOP engine! Because it 's internally shorted but similar PCM the following concerns may missing... Damage the new module from run to accy for 30 seconds communicates over a bus Glow Plug click... Harness it can cause all sorts of problems use the same, July 17th, 2018 at PM! Has been plagued with PCM problems comes on every now and then will able... Your problem is related but might want to try an search for that.. Fuses ( especially underhood # 9 and # 22 ) good help, please 2CarPros. Computer and still can not connect to the ECM is replaced, the PCM it was very and... Issue for 1000kms over the Last Month to Find computer module, is the computer that controls engine! Code, which can be damaged by heat and vibration power and function 1500 has been with... Are being output by the PCM, or there are other warning lights illuminated on the truck a! Side being supplied to the ECM no communication with pcm use the same issue, pedal! No crank if i rotate the key back to start 9-3 from 2003-2007 and may fit up to.... Pcm won & # x27 ; t communicate for emissions just waiting on those guys to figure the. Account, you will need to have it checked out at the discount car parts place for 125 and! And vibration a reman unit at the local dealership, it might be time to reset the memory...
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