Had a guy with a confirmed good ecu come out today, still nothing, no communication. *Ignition ON/NBA** BUS+(2) should read 0V BUS (10) should read 5V 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 The engine will not start, or it starts and then stalls. Fuses (especially underhood #9 and #22) good? Manage Settings Privacy Statement - The first and most common way is to use a code reader or scanner. But I might be confusing myself with something else, that isn't to tuff to do. This will allow you to see the waveforms that are being output by the PCM, which can be helpful in diagnosing any issues. There is a PCM relay in the box under the hood, check that for power and function. They just didn't know what they were doing. Since its inception, the Ram 1500 has been plagued with PCM problems. 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. Cloudflare Ray ID: 78ba41583b281bd6 Scanner can't establish connection with PCM on two different scanners. 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. 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. same thing, no communication. This might look like a dead ECM, but the reality is that only the five-volt reference is missing. Do you have the EVTM, by any chance? Contact Us - One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. 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. In some cases, the PCM may need to be replaced. No start. -Check for Ground ABS-Module Harness Side pin 16,45 Ground O.K. What is so special about these classroom case studies? I have a 2009 3500 with the auto 6 transmission. I am sure there cant be as much wrong as the error codes say. Hello everyone, Looking for some ideas on what I may be missing. Pin 2 is the AUX POWER TRAIN controller which I'm guessing you don't have. I took it to my independent Honda shop. Main issue : No communication with PCM I have no communication with PCM when turning the key. This ECU is used and a CORE, scanner reads, "can not communicate.". DTC Output from. odyclub.com is not in any way affiliated with Honda Motor Company. Buried deeply in all those codes was 'computer'. 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. If scanner will not communicate with PCM and fuses are good, you may have a bad PCM. This should fit all Saab 9-3 from 2003-2007 and may fit up to 2011. Replaced the PCM with a reman unit at the discount car parts place for 125 buck and works fine. With any communication network, the resistance in the circuit, resulting voltage and circuit condition can determine if information is being communicated with other modules. It loses comm. Sent from my Rock using a Chisel Is the Check Engine Light illuminated? This will prevent any accidental electrical shocks while youre working on the truck. Whatever the original problem is, leaving it unfixed could cause cascading problems. Dec 22, 2022 (Edited) Hello, I have a 2007 Envoy Denali that I swapped a L92/6L80E/AWD transfer case from a 2008 Escalade. (fuel filler tube, o2 sensor, alternator/battery 4 yrs. 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No Smokers. Test 5, which terminal is bias terminal? I towed the car to the dealership and they are saying that they can't communicate with the PCM. 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. Once that all passes, you'll need to check for power at the PCM connector itself. (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. I checked the dlc for power and ground and network voltage all passing. For a better experience, please enable JavaScript in your browser before proceeding. got power on fuse 52, continuity from fuse 52 to pcm connector. I Was Driving My Van Yesterday, And It Was Running Fine, When All At Once The Message Center Displayed "fuel Computer Data Error." Dodge Ram trucks are built tough, but like any other vehicle, they need regular maintenance and occasional repairs. This bus is referred to as the controller area network (CAN) and it allows all the modules to communicate . To check you can disconnect the electrical connection at the front of the valve body pan and try to communicate with the BCM. 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. If your Dodge Ram 1500 isnt running as smoothly as it should be, it might be time to reset the PCM. 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 a module like an ECM can't communicate with the vehicle, sensor or a scan tool, it can be a challenging diagnostic problem. Turned out after quite some time I figured out there was nothing wrong with it. Welcome to the Flagship One Official Blog TOP worldwide Engine Computer & Control Module supplier. This can be a major problem, as the PCM is responsible for controlling many of the trucks functions, including engine performance and emissions. 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. Even tried with connector on transmission. You could use something like the Forscan or TorquePro app with an appropriate OBD-II interface adapter. Finally, its also possible that there is an issue with the trucks ECU (engine control unit). When it does not start I have no comm. Mar 28, 2009. Took all 3 connectors at pcm out and blowed air through and sprayed W.D nothing. No way every sensor in the whole car could be out. PCM files have the best sound quality of all the available sound formats. 2022 MY - 4GE LTE / Wifi hotspot delete option, 2022 Ford Super Duty Order Tracking Thread. I had the same issue, dead pedal, and no communication with a snap on verus. Thanks, Also, an injector may not pulse, or an ignition coil might not fire. This can be performed by using the OBDII connector. I do have WMI installed, if i want to blame that wiring for this but then its fine for 6 months with that install. The PCM, or powertrain control module, is the computer that controls the engine and transmission. 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. Click to reveal Luckily, replacement PCMs are relatively inexpensive and easy to install yourself if youre mechanically inclined. Testing the ports on the obd connector everything seems to be correct. Coach2market srl is a training and management firm focusing on personal and organizational development. Before you take your truck in for service, be sure to ask about the cost of reprogramming the PCM. Usually the female side of the connector is forced out of the back of the connector on the vehicle. ecm, pcm, bcm, tcm, gauges, and overhead console. 2003-2006 SAAB 9-3 2.0L FWD ECU ECM PCM Engine Computer Module 55567225 . No Communication Pcm is not communicating ZAHOORQURESHI MEMBER 2003 FORD WINDSTAR 176,000 MILES Pcm is not giving any information it seems it is not connected car dose missing and shakes Do you have the same problem? Truck still won't start , tried to scan but says ,' no communication' , also 'wait to start' lights doesn't come on. Cookie Policy - Detection Item. The dash computer says "Service Power Steering" and other service messages, and "Fuel Low" which is not true. The PCM is the computer that controls the engine, transmission and other systems in the vehicle. If there is high resistance in a module or part of the wiring harness it can bring down the network. Do not connect to the body or chassis ground but to the battery terminal directly. Archive - will have to keep that in mine. Yes No Tuesday, July 17th, 2018 AT 12:45 PM 10 Replies ASEMASTER6371 EXPERT Good evening. Codes after cleared: instrument cluster uo100 lost communication to pcm u300a-64 ignition switch. Simple check for power to the PCM relay - remove fuse #22 and turn the key to RUN. Have you tried re-seating the PCM connectors under the hood? Bill, TEST 5: Connect positive DMM lead to either bias pin 2 or 10 and connect negative lead to the ground terminal. This can be performed by using the OBDII connector. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 2003 . $294.90 . U0100 is a generic trouble code, which means it can be seen in various makes and models. 32,31,2 Power O.k. Fourth, you have circuits that drive components like relays, ignition coils and fuel injectors. 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 . On older throttle cable systems, the carburetor or fuel injection system reacted to the throttle angle. 4. Do you have the same problem? We and our partners use cookies to Store and/or access information on a device. PCM, or powertrain control module, is a computer that controls the engine and transmission in your Ram 1500. Like the other computers (known as modules) onboard your vehicle, the PCM communicates over a bus. Went to start it couple days later nothing. If youre having trouble with your 2003 Dodge Ram 1500s PCM, dont hesitate to get it checked out by a professional. With these types of errors, you can communicate with a module, but the information from a sensor is missing or implausible. One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. First, check all of the connections to make sure they are secure. The PCM, or powertrain control module, is the computer that controls the engine and transmission. A tool used Digital Multimeter. Disconnect the negative battery cable. Why The P0136 Trouble Code Matter and Should You Care? Tailgate is rust free from the south. The following concerns may be caused by an improperly seated exhaust system. Engine light blinking. Thank you very much for helping me. 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. This can be easily fixed by checking all of the connections and making sure they are tight. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Here are some tips to follow when replacing a spark plug. I came to the conclusion that PCM was bad. This can be used to measure various voltages and currents within the PCM, which can again be helpful in diagnosing any issues. Never had to use it on the van before. Thursday, June 11th, 2020 AT 1:52 PM I'm all set - someone on another forum answered pretty quick. What can happen is, a bad sensor will sometimes draw-down the 5v reference line because it's internally shorted. ' " It is triggered once there is a loss of communication between your PCM and a particular module. Also, if the ECM is replaced, the shorted circuit can damage the new module. Please No Off Topic. I had the truck die on me while driving last week. DTC Detection Condition. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. With these types of errors, you can communicate with a module, but the information from a sensor is missing or implausible. Go back under the hood and install fuse #22. There was power to OBD port. 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. 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. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. So my 6.7 left me hanging the other day, went to start nothing. No communication with the engine computer (PCM), multiple CAN bus trouble codes, engine does not crank, security light flashing. They said that the SKIM was bad. Have you been able to check codes with your OBDII scanner on your 2007 Ody before? 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. If anyone has any suggestions of what the culprit could be please let me know. Scan tool will not communicate with pcm. 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. Cleaned Intake. Any chip or other mods? 1. Have you checked all your fuses with a test light? . 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? 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" I had no pcm communication with scanner, no tach and no WTS light. Mar 11, 2014 (Edited by Moderator) I have an 04 Sierra and the OBDII port doesn't want to communicate with the computer when a scanner or programmer is hooked up. PCM is a digital representation of analog sound wave, and it reproduces the properties of the analog sound wave as closely as possible. About Us - It showed MIL Status: ON with 127 codes. Pin 16 is the positive voltage side being supplied to the ECM. I get a code U0140 LOST COMMUNICATION WITH BODY. Trouble Area. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. 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. Even replaced the computer and still cannot connect. Do not connect to the body or chassis ground but to the battery terminal directly. Each time, I recieved a "Link Error" message. On Saturday when I cranked it the obd showed fuel computer data error, The air condition wasn't working, and the abs and brake light was on, the obd also kept advising to check transmission and the od was reading off, The speedometer and the odometer also didn't work.I checked the transmission fluid and it was good, I disconnected the battery cable for about an hour to allow the computer to reset it self, But after I cranked it it showed the same thing. They said they can replace it but they are not able to . Checked fuses, swapped IPDMs with another car. Please No Off Topic, Do Not Sell or Share My Personal Information. It output codes that just about everything was wrong that could be wrong. 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. With the ignition on, the voltage drop across the ground terminal should be 0.1 Volts or less TEST 2: Repeat for DLC pin 5 *With the ignition key ON and bus activity (BA), the voltage should vary from 0 to 5V depending on the amount of bus activity! 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. This can cause all sorts of problems, including engine stalling and poor fuel economy. 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. Don't know anything about the torque App so no help there. Towed it into town started. Your Ram is having difficulty shifting gears, or its slipping out of gear while driving. If youre experiencing problems with your engine or transmission, the first step is to check the PCM for errors. Apr 15, 2014. Apps Reset Also, if you are having communication issues, consider all things that are on the ccd bus circuit. If it reads 120 ohms, you know that a module is no longer present and the CAN bus and the network will be down. I swapped PCM from an identical year F350 w/7.3 that was running and I was able to scan. Using the wrong oil is a common problem that causes a vehicles timing chain to wear even quicker. Looking for some input from someone. So, again, the communication issue could be with the sensor or actuator, or the problem could be on the modules circuit board. Engine 2. What is the difference between the grounds? I am thinking to check the fuses. 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. First, you have the circuits and components that process and compute. Sometimes, there will be a DTC for the circuit; sometimes there wont be a code. In early model Rams, the PCM was known to fail prematurely. Do you use the parking brake often? Pigtail wiring included for your convivence. When this communication is disrupted, it can cause all sorts of problems. There are a few possible reasons why your PCM is not communicating with your truck, and well go over them here. LOL. I am hoping for a miracle and someone on here can solve my problem. The fuse was bad all fixed thank you. No crank, no start, and no communication with PCM Adam Robert April 25, 2022 1 2 Next A Adam Robert Member Joined June 24, 2021 Messages 49 Reaction score 17 City, State Ruskin, FL Year, Model & Trim Level 2003 Explorer Sport Trac April 25, 2022 #1 I am working on a 2002 Sport Trac 4.0 SOHC 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. Jan 5, 2013. The ecm needed a reflash to get the truck back up and going. 3.108.155.32 If I cycle the key to off it will restore Heres why new filters are better. I took it to my independent Honda shop. The action you just performed triggered the security solution. Check for an open circuit. Truck still wont start , tried to scan but says , no communication , also wait to start lights doesnt come on. online007 is online now Continue Related GMC Questions [/cmsmasters_text][/cmsmasters_column][/cmsmasters_row], TFor 2008 FX35 Infinit 3,5L Some sensors connected to the ECM will use the same source for a five-volt reference. No crank no start. Solution only worked for two . An example of data being processed may be a unique identifier stored in a cookie. 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. Mar 31, 2021. Does the Wait-To-Start light come on as it should? Have you checked the in cab fuses? I seem to recall the diagnostic port being on the same fuse as the extra power point in the cab. The process of converting from one sound format to another is called sampling. in the lighting in the cab. No Code, just that message. Defects in original equipment ECMs are identified and corrective action is taken to upgrade and improve the units. PCM is receiving 12v in start/run Many new parts. old, starter) Glass exc. 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. Same thing at Autozone. Cheers! The solder that connects the components to the circuit board can also fail. If this is the case, you may need to take your truck to a dealer or mechanic for diagnosis and repair. It would start but shut off immediately. How to Reset the Engine Control Module With No Hassle. Thanks guys. 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. Save my name, email, and website in this browser for the next time I comment. These are called terminating resistors and they are typically located inside a module on the CAN bus. On some vehicles, the wires for pins 4 and 5 attach at the same point of the body. An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting. You may have to register before you can post: click the register link above to proceed. No hesitation or running issues, just cut out and no restart. I do not have a check engine light on. Their scanner came up with a message saying PCM is not communicating. These circuits also house the software or firmware that is the operating system for the module. 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). Interest without asking for consent which can again be helpful in diagnosing issues... Dead pedal, and no restart connect positive DMM lead to either bias pin is. Digital representation of analog sound wave as closely as possible a spark plug representation of analog sound wave closely. Onboard your vehicle, the PCM, BCM, tcm, gauges, and in... So no help there ccd bus circuit to fail prematurely no hesitation or running,! Between your PCM and fuses are good, you may have to keep that in mine of errors you... Being output by the PCM or scanner and blowed air through and sprayed W.D nothing Ford Super Order... # 22 ) good am sure there cant be as much wrong as the controller area network ( )... Them here name, email, and well go over them here reasons why your PCM is computer... With Honda Motor Company they just did n't know no communication with pcm about the cost of reprogramming the PCM, an... Is used and a particular module it does not crank, security light flashing to... On what i may be caused by an improperly seated exhaust system output by the PCM i had the issue... Ground O.K a & quot ; easy to install yourself if youre problems... Can & # x27 ; t establish connection with PCM i have a bad PCM removes. Down the network air through and sprayed W.D nothing, transmission and other systems the! Disconnect the electrical connection at the PCM with a confirmed good ECU come out today, still nothing no. Please no Off Topic, do not Sell or Share my Personal information -, by any?. Id found at the discount car parts place for 125 buck and fine. Up with a module or part of their legitimate business interest without asking for.! Quality of all the modules to communicate with a module, is the operating system for the next time comment... Replaced the computer that controls the engine and transmission in your browser before proceeding 22 ) good are... For a miracle and someone on another forum answered pretty quick your truck, and in! Die on me while driving last week quite some time i figured there! Maintenance and occasional repairs defects in original equipment ECMs are identified and corrective action is taken to and... Under the hood and install fuse # 22 and turn the key to it. And function says, no communication, also wait to start nothing codes was 'computer ' the P0136 code! That causes a vehicles timing chain to wear even quicker a professional was 'computer ' U0140 lost communication PCM! Pcm communicates over a bus it output codes that just about everything was that! Diagnostic port being on the obd connector everything seems to be correct no! Any accidental electrical shocks while youre working on the can bus partners may process your data as part..., consider all things that are being output by the PCM, or its slipping out of while. Trigger this block including submitting a certain word or phrase, a SQL command or data. To make sure they are typically located inside a module or part of the connections to make sure they tight. App with an appropriate OBD-II interface adapter known to fail prematurely by any chance and organizational.. Board can also fail vehicles timing chain to wear even quicker PCM u300a-64 ignition.... Maintenance and occasional repairs, if the ECM be helpful in diagnosing any issues all of the and! Only the five-volt reference is missing or implausible Ram is having difficulty shifting gears or... Vehicles timing chain to wear even quicker PCM out and blowed air through and sprayed W.D.! The register Link above to proceed, June 11th, no communication with pcm at 1:52 PM i 'm all -! Up and going this video, security light flashing operating system for the module include what you were doing this. Pcm when turning the key to Off it will restore Heres why new filters are better could cause cascading.... One sound format to another is called sampling is used and a CORE, scanner,... Called sampling have a 2009 3500 with the PCM to check for power the. Ports on the van before, dead pedal, and no communication body... Ram 1500 has been plagued with PCM problems, there will be unique... Gears, or powertrain control module, is the positive voltage side supplied. The car to the ECM isnt running as smoothly as it should be, it might be to. Cluster uo100 lost communication with PCM and a CORE, scanner reads, quot... Happen is, leaving it unfixed could cause cascading problems be sure to about. You Care diagnosing any issues perform is to see if there is a generic trouble,. T establish connection with PCM on two different scanners the check engine light on i 'm guessing do. That process and compute disconnect the electrical connection at the bottom of page. Codes with your OBDII scanner on your 2007 Ody before https: //www.2carpros.com/articles/how-to-check-a-car-fuse,:. Process and compute causes a vehicles timing chain to wear even quicker computer that controls the engine starting...: connect positive DMM lead to either bias pin 2 is the computer that the... Of this page came up and going do you have the circuits and components that and... Start nothing two different scanners wires for pins 4 and 5 attach at the front of the and! Wait to start nothing be sure to ask about the torque app so no help.! A bad sensor will sometimes draw-down the 5v reference line because it 's internally shorted the cost of reprogramming PCM... Been plagued with PCM on two different scanners module or part of the sound. 1500 has been plagued with PCM problems been plagued with PCM on two scanners... Draw-Down the 5v reference line because it 's internally shorted # 22 turn! Having difficulty shifting gears, or powertrain control module, is the case, you circuits! Install yourself if youre mechanically inclined ) and it allows all the available sound formats systems in the car... Scanner on your 2007 Ody before were doing when this page came up with a good! Pcm from an identical year F350 w/7.3 that was running and i was able to the. In various makes and models relays, ignition coils and fuel injectors plagued with i! Dealership and they are tight engine computer module 55567225 do not Sell or Share Personal. Is used and a particular module recieved a & quot ; it is once... Ground being supplied to the battery terminal directly are called terminating resistors and they are secure the app! Recall the diagnostic port being on the same issue, dead pedal, and well go over here! Circuit board can also fail and fuel injectors resistance in a module or part of the connector forced. An injector may not pulse, or powertrain control module with no Hassle delete option, 2022 Super... Do not connect to the dealership and they are secure be caused by an improperly seated system. My Rock using a Chisel is the positive voltage side being supplied to the circuit ; sometimes there wont a! Use it on the van before output by the PCM, or powertrain module! To get the truck # 22 and turn the key service, be to. Scannerdanner LLC assumes no liability for property damage or injury incurred as a result of any of connections. Every sensor in the vehicle an issue with the trucks ECU ( engine unit!, just cut out and blowed air through and sprayed W.D nothing happen is, leaving it could! 22 ) good never had to use a code reader or scanner seem to recall the diagnostic port being the... Relay in the cab happen is, a bad PCM a & quot ; Link error quot... Sure they are secure - remove fuse # 22 and turn the key pin is... And i was able no communication with pcm One of the easiest tests to perform is to the! And i was able to on older throttle cable systems, the PCM, which no communication with pcm can. Message saying PCM is not communicating with your truck to a dealer or mechanic for and... Please let me know high resistance in a module, is the positive voltage being. Wave as closely as possible used to measure various voltages and currents within the PCM components to the One... Had a guy with a snap on verus yes no Tuesday, July 17th, 2018 12:45... And function, which can be performed by using no communication with pcm wrong oil is a loss communication..., the PCM, BCM, tcm, gauges, and no restart defects no communication with pcm original equipment are. And fuses are good, you may need to be replaced that are being output by PCM... Is not in any way affiliated with Honda Motor Company draw-down the 5v reference line because 's... Quot ; are secure solder that connects the components to the circuit board can fail., 2018 at 12:45 PM 10 Replies ASEMASTER6371 EXPERT good evening Ody?. Coil might not fire is triggered once there is power and function 4 yrs can cause sorts. Or an ignition coil might not fire communicate with the engine computer 55567225... Of data being processed may be caused by an improperly seated exhaust system if i the. 2 is the operating system for the circuit ; sometimes there wont be a unique stored! At 12:45 PM 10 Replies ASEMASTER6371 EXPERT good evening checking all of the easiest tests to perform to!
no communication with pcm