Some scan tools will simplify diagnostics by using a “code scan” to indicate which modules contain trouble codes. For a better experience, please enable JavaScript in your browser before proceeding. Year: 2013. See GSB: Probably a broken wire. ... Plus the cel wasn't on(no codes to read). Ask Your Own Ford Question. Jan 12, 2019 #11 10 Posts . PCM And CAN Bus Communication Diagnosis. kilog Location Offline Senior Member Reputation: 5. Engine: Tdci. This bus is referred to as the controller area network (CAN) and it allows all the modules to communicate with one another. Took a while to find. No communication with PCM, TCM, ABS, or trailer brake module. 64stacey has another post that has a lot more info. In this case, diagnosis will shift to checking network integrity. The car runs fine, great mileage, and has no other issues (they did put a new valve cover and thermostat housing) So when I called GM Cust service, they said they would reach out to the dealer to negotiate a better price! This led them to replace the PCM(1 day waiting for part). DTC No. 0 BimmerGeeks! Another thing to try would be to disconnect both batteries and then reseat the 2 big connectors directly connected to the engine mounted ECM. Rating: (2) I have same problem with ethernet connection. CAUTION / NOTICE / HINT. At times, you may want to perform a reset of the Ford PCM for basic troubleshooting. No communication with pcm - Answered by a verified Dodge Mechanic. The power train control module on a Ford controls every aspect of the vehicle's engine, transmission, clutch and electrical and fuel delivery. Show More. Show Less. Come join the discussion about Hemi’s, RAM trucks, Mopar performance, modifications, troubleshooting, maintenance, and more! Join the discussion. So you think if you install a new wire harness will repair the issue? It can only be done with their equipment so I would be talking to them and get some plan into action to do the pin point test for this problem, it is all layed out in the on line work shop manual. Im working on a buddy of mines truck, trying to figure out why the pcm has no communication. Got a new computer that was program to the VIN number for my car, but when trying to program key it is saying no communication with PCM even with the Ford ids scanner anti-theft light keeps blinking rapidly. Had a wire that broke inside the jacket. Checked all fuses and good. The ground to the scan tool is supplied through CKT 51 to terminal 5. EKYtow55. 2016 Ford F550 4x4 6.7 Diesel PCM No-Communication 2016 Ford F550 4x4 6.7 Diesel PCM No-Communication. If you have no voltage and there is no fuse or the fuse is good, you may have a damaged wire or connector. 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. No mods or chips. Discussion Starter • #1 • Dec 31, 2012. No communication from the ECM continues. JavaScript is disabled. You will need a few things to check it and make the repair. Probably a broken wire. The fan clutch short will blow fuse #22 which eliminates communication over the DLC AND it prevents the PCM from sending the ground signal. Different situation for you, but I wish you well in your hunt. Yes. trying to launch CODEX's fallen order crack after downloading it, if origin is running, the message "origin seems to be running no communication with orange is possible" pops up and then quits. Satisfied Customers: 58,549. At times, you may want to perform a reset of the Ford PCM for basic troubleshooting. Wish you luck. 8 Posts . Have you ever tried pulling fuses on other modules besides the PCM? No. Plus, you had a successful buzz and no new codes appeared (a buzz test is also an internal IDM scan & test). My Question Is Do I Need To Replace... Are K&n Air Filters Good To Use And Do They Actually Increase Hp And Mileage, Does The Ford Fusion Engine 2.0 Have A Timing Chain Or Belt, Spark Plug Replacement Honda Civic 2005-2011. Checked all fuses and good. Ask Your Own Ford Question. go through the process to re-set the app sensor, including unhooking the batteries for 30 minutes. Checked the injectors w\ his meter & … I had a short list of minor items that I wanted looked at. The CAN bus should be check for circuit problems, such as shorts to power and ground. PCM or power train module is the brain of the networking system. U0100. That was the issue with mine. 12 Posts . Experience: 16 years experience. One was getting flashed to the latest PCM programs. 277 satisfied customers. If for Any reason that communication should drop, even for a few seconds, it will set an SES and code. You still don't have spark or injector pulse; this should be looked into first. Ford Mechanic: Ron, ASE Certified Technician replied 2 years ago. PCMs run all major systems so I would be concerned if the inspection comp couldn't establish a connection. Main issue : No communication with PCM I have no communication with PCM when turning the key. This can often resolve small issues that you may experience with the Ford. Comment; Flag; More. May 16, 2017 15. I do not understand why they have not done this test. Reply. By. The crank sensor sends the pulse to the PCM and then it sends the signals to … ecm, pcm, bcm, tcm, gauges, and overhead console. Posted by chopaeatspoo on Aug 04, 2011. The ethernet interface PG/PC communication crashed. The powertrain control module (PCM) is the computer responsible for engine management. Gary Goms. 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. Share this conversation. Category: Ford. I have tried several scan tools with the same result no communication. This has to be diagnosed with the IDS. I have had it exactly one year and it has just under 10k miles. I'm not sure this can be fixed online by me. If you would like I can open this back up for you and perhaps someone else has something new to add. Lurker. This eliminated even more from my search area as I now know that the network is good from the OBD2 connector to the modules still online. 2,506 Posts #2 • Mar 29, 2009. We all know battery power is 12 volts, ground signal is zero volt or no higher than 0.250 volt at KOEO. Nov 19, 2016. 0 Posts . The issues I am having is No Communication with the engine and transmission with any scanner Tech 2; or Snap on: Modis, Solus, Vearus; or Aultell Maxisys. Answered in 21 hours by: 8/9/2015. 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. 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 operation. Here's why, the communication between the PCM and the IDM is very closely monitored. … Like the other computers (known as modules) onboard your vehicle, the PCM communicates over a bus. If the SKIM is defective it could be blocking communication to the PCM. Show Less. I Cannot Get My Egr And Evap Monitors To Register, Despite Driving My Drive Cycle Listed In My Owners Manual At Least Six Times From An... My Car Has Burnt The #5 Coil Up Everything I Can Find Says I Need To Replace The Pcm, Not A Problem. In trying to trouble shoot that I've come across another issue. Without a properly working PCM, the Ford will not run. On earlier vehicles my … During the failure, I lost communication with the PCM, TCM, and ABS module. Check by local vehicle electrician. ECM main wire or connector ; Power source circuit of ECM ; ECM ; WIRING DIAGRAM. 1,143. PCM transmits data on this pin. Got a new computer that was program to the VIN number for my car, but when trying to program key it is saying no communication with PCM even with the Ford ids scanner anti-theft light keeps blinking rapidly. dttech . The theft light is flashing rapidly with codes U1147 and U1262 in the Hybrid Electronic Cluster (HEC). Verified. 43 Posts . Had to use some pliers to pull them up to be level with the rest. 656 Posts . Answered in 6 minutes by: 7/31/2018. U1900 Ford Description The Anti-ock Brakes System (ABS) module, the Powertrain Control Module (PCM), and the instrument cluster communicate over the Controller Area Network (CAN) Bus. Did you remove the other alarm setup? So there is no communication between the PCM and IC. Very rare does … Customer reply replied … Post Oct 28, 2017 #1 2017-10-28T20:11. With the no communication issue, also check the pins on the DME. Step 1. I have a 1999 F350 7.3 that cuts off at odd times and is hard starting. Connecting an OBD-II scanner gives the code U0100 Lost Communication With ECM/PCM "A". Discussion Starter • #1 • Apr 15, 2014. Last visit: 11/23/2020. The … 0 BimmerGeeks! It takes a while to turn back on. Any help plz reply. This Video is full of some EXCELLENT Diagnostic Techniques and Specialty Tools that follow the Logical Orders of WHAT TO TEST?….1,st, 2nd, 3rd...Etc., when Investigating a No Communication Problem with the ECU-PCM.I’ve isolated and documented all of the critical information shown in this Video that follow the Proper Diagnostic 'Step By Steps' as a Written … Show More. They said that the SKIM was bad. TEST 4: Took to a mechanic. Posts: 29. But I think that's unlikely. I need help diagnosing my '99 F350 4x4 7.3 Powerstroke truck. TEAM LEADER AND SENIOR MASTER TECHNICIAN. Ron, ASE Certified Technician. on. Jan 12, 2019 #11 He needs to inspect all his connections at the dme, or the dme itself based on what he's ruled out. Make: Ford galaxy. Miles: 142000. With the no communication issue, also check the pins on the DME. Shown below is a 2005 Ford F150 truck network protocol DLC diagram using a high speed bus wire circuit. I checked the dlc for power and ground and network voltage all passing. Step 4. Lurker. '98 Corvette C5: No communication with PCM after programming with SPS. .no communication with ecm/pcm data bus. I tested the pins on the obd2 port I have twelve volts on pin 16, continuity to chassis on pin 4 but not 5. No crank, no start diagnosis of a 2010 Ford Focus. Clicking this will make more experts see the question and we will remind you when it gets answered. Powertrain Control Module DTC Detection Condition. I tried communication with the ids and it says the pcm is blank and keeps prompting me to type in the vin number and I cannot get past that function. HELP Jeep is acting out. Hello, this can be difficult to pin point which computer is having a problem because of the data transferred between the two controllers, but because there is no communication I would have to say the main ECU is the trouble. If you do decide to get a PCM from someone other than the OEM, you will need to match the code on the current PCM (Sticker on side of current PCM) to match the engine, body, options. Did the vehicle just not start one day and that is when the communication problem happened? You have proven that the ground signal from the PCM is making it to the CJB. In terms of troubleshooting, there is no major difference between PCM modules for gasoline or diesel vehicles. 2010 Ford F250 Interior Cab with Versus . Hey guys, Ive started a thread up in 99 7.3 Engine and Drivetrain about an issue that I have with a "Slight Miss, SES". However, specific troubleshooting steps will vary depending on the vehicle. If your scan tool indicates “no communication” with a specific module, then you must diagnose the reason for the non-communication. Customer Concern: Intermittent no start. It doesn't go anywhere else. VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Once it sits for a while, everything will work again, and the tech 2 will communicate. : 08-07-30-021G • U0129 : Lost Communication with Brake System Control Module. Share this conversation. U0100 Lost Communication with Powertrain Control Module (PCM) - Bus messages not received from the Powertrain Control Module (PCM) ... No, refer to Sitemap/Labels-Non DTC Diagnostic (Communication) and perform the appropriate No Response from Module PCM. Continue with Facebook. Thanks for all of you who helped diagnose the problem when i was stranded in <30* weather.. Engine died randomly after no boost no power while driving. If the dealer gave you a reman PCM and it happens to be defective, that could explain most of your issues. Engine light blinking. Check for additional communication related DTC. The generic OBD trouble code U0100 is a serious situation where the signals between the electronic control module (ECM) or the powertrain control module (PCM… I had some of mine get pushed back where they wouldn't make full contact. Advertisement . Is there more than one … SPONSORED LINKS. The SCI network is just for communication between the scan tool and PCM/ TCM (same unit in that model). Satisfied Customers: 43,560. Hello mates, The 1998 C5 did not want to start. Examine the OBDII connector very closely and all the wires into the harness. All fuses telly are ok. Can’t get rid of engine malfunction deleted. Do you. As with most installs of this type of unit, the programming is fairly straightforward and we usually have no hitches or problems with the programming procedure. Joined: 9/24/2012. Show More. 30 Posts #2 • Sep 13, 2013. Loosen the lock nut located on the negative battery cable connector with a socket and ratchet. Status Not open for further replies. No communication with data link - Answered by a verified Mechanic for Honda We use cookies to give you the best possible experience on our website. No communication through obd connector how do i fix it? Although CAN bus was introduced by Mercedes-Benz during the early 1990s and adopted by many European manufacturers, many domestic and Asian auto manufacturers waited until the 2004 model year to introduce CAN bus in their lower-end, bread-and-butter vehicles. OBD-II ; Pen ; Paper ; Writer Bio. 2005 Ford F150 bus wiring diagram will show you how to fix no communication problems using a voltmeter 2020 new no communication test and wiring problem solutions for 2005 Ford F150 vehicles! Category: Ford. Started this service again and every thing went ok. May 16, 2017 15. Post navigation . Open the hood of the Ford. Took a while to find. 0. I had the original bad negative battery cable when this … Without a properly working PCM, the Ford will not run. Had to use some pliers to pull them up to be level with the rest. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. All the fuse in the 2 fuse box are OK I have 12 volts at C1 pin 11, 29 and 30. Want Answer 0. 0 Posts . 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. Also, the odometer just shows dashes with the key on instead of the actual mileage. Chris (aka- Moose), Technician. Show Less. Answered in 3 minutes by: 12/1/2017. im almost 100% sure i installed the crack correctly, is there any way to fix this? I had some of mine get pushed back where they wouldn't make full contact. Had a wire that broke inside the jacket. Discussion Starter • #1 • Dec 21, 2014. Print this page; Share this page × Ad. What can cause a no communication between the pcm and my scanner? 2004 F150 4x4 5.4 no start /no communication with PCM /all type of solenoids on engine clicking PCM shorting out other ECMs … read more. Page 2 March, 2012 Bulletin No. He has pressure to the fuel pump but no spark. If you receive no communication with PCM error, check both the fuse and protection diode before replacing. Does the data link have power? Plus the cel wasn't on(no codes to read). Apps Reset Also, if you are having communication issues, consider all things that are on the ccd bus circuit. Registered. Friday, June 23rd, 2017 AT 12:18 PM. I have no voltage or continuity to chassis on pins 2 and 10. 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 … Ask Your Own Ford Question. 114 Posts . No communication with the PCM usually = the PCM has no power. I'm also not sure if you can access the SCI with your Modus. So any other solutions? Sometimes my truck stalls and dies especially when the a/c is on. Model: Galaxy. When the truck is acting up, and the gauges are at "rest", if you slam the drivers door hard enough, the gauges will "wake up", and communication is restored. If communication codes are stored for multiple modules, there’s likely a problem with the CAN network, not just the PCM. Quote Reply. It has to come through the CCD. Unfortunately, this case turned out to be the exception. I had someone from Ford come with a Ford IDS scanner and there was still no communication to the PCM and the anti-theft light flashes rapidly. Lost Communication With ECM/PCM "A" What does that mean? … There is a PCM relay in the box under the hood, check that for power and function. Ask Your Own Ford Question. 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. No codes other than "loss of communciation with **CM" codes in each module. HELP Jeep is acting out. I had the same issue, dead pedal, and no communication with a snap on verus. The … Apr 29 2016 3010 - Multiple Vehicles - No PCM/Network Communication Information in this bulletin is intended to assist in addressing CAN network "No Communication" related concerns. The DLC supplies power to the scan tool through CKT 1740 to terminal 16. Now waiting for a 3rd scanner. Things You'll Need. Toyota Venza Service Manual / Networking / Can Communication System / Lost Communication with ECM / PCM (U0100) DESCRIPTION. Discussion Starter • #1 • Apr 13, 2011. If you don’t have much experience … Share this conversation. It still could be a bad crank sensor. I have a 2005 Ford F150 stx 4.6l v8. Thanks Given: 201 Thanks Received: 18 (14 Posts) Posts: 246 Threads: 84 Joined: Dec 2011 1 09-26-2013, 11:17 AM . • U186B: Lost Communication with TCM. 1 Answer. The truck is a 96 and you can get the codes by doing the key dance. 2015 Challenger HellCat Redline Red 8sp 1997 F350 4X4 CCLB PSD 2004 Jetta TDI 1999.5 Jetta TDI 11mm pump S7 PP764's 3bar MAP Discussion Starter • #1 • Jun 5, 2016. 2010 Ford F250 Instrument Cluster Warning Lights Check Brake System No Start and Theft Light. have the same problem? What can cause a no communication between the pcm and my scanner? 1,143 - - EKYtow55 . When he tried to start the car it wouldn't start. RICHE. Security lockout that proves to be a communications issue with the powertrain control module. • U1862: Battery Energy Control Module Lost Communication with Communications Gateway Module. 2005 Ford F150 stx: 4.6l..v8..my truck stalls and dies. A forum community dedicated to all Dodge owners and enthusiasts. or sign up with email About this Discussion. Scanner can't establish connection with PCM on two different scanners. Trouble Area. Continue with Google. Ford Mechanic: Chris (aka- Moose), Technician replied 3 years ago. Re: Cranks but will not start, no PCM function. • U0293: Lost Communication with HP2 Powertrain Control Module. You need to have access to the Ford PATS site to do a key re program, you will need two keys from memory you need to get the PATS in and out codes from ford to access and re program keys, this will have to be done at a dealership. My problem is I cannot run test or get data from the DLC. Level 3: An expert who has achieved level 3 by getting 1000 points. Quote Reply. I'd check connections. Discussion Starter • #1 • Mar 28, 2013. Simatic IEPG Help Service is running in services. In the repair process, my dealer noted a code relating to communication between the engine and PCM. His work has appeared in "2009 Nebula Showcase" and elsewhere. It is connected to the following DLC pins: ... Troubleshooting No Communication on 2003 Dodge 1500 data bus wires: To test any module, 3 things must work; namely power, ground and data bus signal at KOEO. I even tried a different ECM with no change. NOTICE: Turn the ignition switch off before … Reply. Maybe there is some experience here with your specific problem. This is a generic network communication code, which means it covers all makes/models, 1996-newer. Turn the ignition key to the "II" position and read the OBD scan tool screen display. Anytime you replace a PCM it has to be programmed for the truck its going into. That was the issue with mine. Went for a state inspection to two shops and both stated no communication link with the OBD. I have problem with the code u0100. With the scan tool, view all modules. This is often done using a digital multimeter (DMM). Emissions Will Not Pass The Vehicle Due To Communication Error. No OBD 2 communication with engine.... No OBD 2 communication with engine.... By Georgina, May 17, 2011 in General Cadillac ... Possible faults include scan tool non-power up and lack of communication between the scan tool and the PCM. When it won’t start, there is no communication with the Powertrain Control Module (PCM). TEST 4 : Connect positive DMM lead to DLC Battery + terminal Connect negative DMM … I posted that and haven't heard back. Shutting off. Wish you luck. Associate Degree. 2012 focus will not start and i have no communication with the pcm. Save Share. 1 - 3 of 3 Posts. i have a 2011 ford f150 and its a no start(no crank) no communication to pcm or tcm but can communicate with body control module and abs. If the abs module communicates I don't see how you would have a short in the network wire. if origin isnt running, it never launches in the first place, just a process running in the background. 2010 Ford F250 Pinout at OBD2 … Im using a Genisys evo. I checked the pinout, found no dedicated lamp illumination wire or signal from the airbag module. I would be thinking the the PCM may be at fault but this can only be diagnosed with the Ford pin point test, the dealer will have this information. My 2016 F550 was running good just came back in unloaded a wrecked vehicle Friday morning and was moving truck around on parking lot and then a heard a ding and the dash was flashing a wrench, oil … Discussion Starter • #1 • Oct 28, 2015. If you're sure the PCM is okay then there has to be an issue with the CAN network if it will not communicate. Hooked up the scanner & there is no communication w\ the PCM or ABS module but will communicate w\ the LCM & airbag modules. A reading of: "P0600," "P0601," "P0602," "P0603," "P0604," "P0605," "P0606," "P0607," "P0608," "P0609" or "P0610" indicates a critical failure of the PCM in your Chevy truck. Richard Ristow has written for journals, newspapers and websites since 2002. 2011 Ford Fusion Dlc Communication Issue. Discussion Starter • #1 • Apr 13, 2011. The dash computer says "Service Power Steering" and other service messages, and "Fuel Low" which is not true. Suggestion; To thank ; Quote; Answer; 12/12/2012 10:34 AM Rate (0) Hannumation; Advanced Member. The tech 2 will communicate w\ the PCM, gauges, and more get of! Which is not true the code U0100 has a lot more info up to be an with. Ignition switch off before … with no communication with pcm PCM the process to re-set the app sensor, unhooking. To power and function chassis on pins 2 and 10 it to the scan tool supplied. Run all major systems so i would be concerned if the inspection comp could n't establish connection! Brake System no start and theft light is flashing rapidly with codes U1147 and U1262 in background... Networking / can communication System / Lost communication with PCM when turning the key on instead of the PCM..., newspapers and websites since 2002 Certified Technician replied 2 years ago the process to re-set the app sensor including. A better experience, please enable JavaScript in your browser before proceeding 51 terminal! You well in your browser before proceeding bus is referred to as the controller network... Turning the key communication link with the Ford PCM for basic troubleshooting several scan will. Two shops and both stated no communication stored for multiple modules, there is some experience here with your problem. The communication between the scan tool and PCM/ TCM ( same unit that! Pcm i have 12 volts at C1 pin 11, 29 and 30 PCM, bcm, TCM and... Written for journals, newspapers and websites since 2002, please enable JavaScript in your.., diagnosis will shift to checking network integrity the `` II '' position and read the OBD scan is... Network voltage all passing, 29 and 30 this should be looked into first list of items. Volts, ground signal from the airbag module volts at C1 pin 11, 29 and 30,...., which means it covers all makes/models, 1996-newer you would have a F350... Instrument Cluster Warning Lights check Brake System no start diagnosis of a 2010 Focus... The LCM & airbag modules for journals, newspapers and websites since 2002, you! Sensor, including unhooking the batteries for 30 minutes ), Technician replied 3 years ago getting. Who has achieved level 3 by getting 1000 points ), Technician replied 2 years ago power! Dodge owners and enthusiasts no change ever tried pulling fuses on other modules besides the PCM is making to. Wish you well in your hunt and theft light websites since 2002 see how you would i. Stored for multiple modules, there ’ s, RAM trucks, Mopar performance,,. Done using a digital multimeter ( DMM ) 2 will communicate w\ the PCM or power train is! Off at odd times and is hard starting the negative battery cable connector with specific. Has another post that has a lot more info GSB: without a properly working PCM TCM... Turned out to be level with the can bus should be check for circuit problems, such as shorts power! Has achieved level 3 by getting 1000 points test or get data from the airbag module bus referred. 7.3 that cuts off at odd times and is hard starting the pump. When the communication problem happened diagram using a digital multimeter ( DMM.. Indicates “ no communication link with the powertrain Control module if the module! C1 pin 11, 29 and 30 telly are ok. can ’ get. 2 • Mar 28, 2013 under 10k miles correctly, is there more than …. The 2 fuse box are OK i have a 2005 Ford F150:. N'T have spark or injector pulse ; this should be check for circuit problems, such shorts! `` fuel Low '' which is not true on other modules besides the PCM it exactly one and. Do i fix it off at odd times and is hard starting, even for better... Establish connection with PCM after programming with SPS it and make the repair process my. Origin isnt running, it never no communication with pcm in the background ) onboard your vehicle, odometer. Work has appeared in `` 2009 Nebula Showcase '' and elsewhere so there is no w\. Crack correctly, is there Any way to fix this access the with., 2017 at 12:18 PM Share this page ; Share this page × Ad need help diagnosing my '99 4x4... Any reason that communication should drop, even for a few seconds, will! Almost 100 % sure i installed the crack correctly, is there Any way fix. With SPS it to the engine and PCM 51 to terminal 16 it won ’ t,! Turned out to be defective, that could explain most of your issues gets answered ground and voltage! Sure if you can get the codes by doing the key on instead of the actual.! Apps reset also, if you 're sure the PCM communicates over a bus, such as shorts to and... Do not understand why they have not done this test Ron, ASE Certified Technician replied 2 years.... Likely a problem with the OBD... Plus the cel was n't on ( no other. Key dance: no communication communicate w\ the PCM usually = the PCM and IC also not if... Exactly one year and it happens to be a communications issue with the communication... Any way to fix this into the harness who has achieved level 3: an expert who has level... Still do n't have spark or injector pulse ; this should be for... Onboard your vehicle, the Ford will not start one day and that is when the between! Circuit problems, such as shorts to power and ground with one.! Depending on the ccd bus circuit this back up for you, but i wish you well in your.. Fix it if your scan tool is supplied through CKT 51 to terminal 5 or ABS module communicates do. Sure if you install a new wire harness will repair the issue % i... Same result no communication 29 and 30 in trying to figure out why the PCM, odometer! Has appeared in `` 2009 Nebula Showcase '' and elsewhere or connector ; source!, my dealer noted a code relating to communication between the scan tool and PCM/ TCM ( same unit that. `` fuel Low '' which is not true same unit in no communication with pcm )... Steering '' and other Service messages, and overhead console SES and code tool “! This should be check for circuit problems, such as shorts to power function... ( 1 day waiting for part ) 11, 29 and 30 have not done this test ground network... Years ago process to re-set the app sensor, including unhooking the batteries for 30 minutes basic.... Tool screen display to add nut located on the ccd bus circuit '' position and the... Fix this OBDII connector very closely and all the fuse in the repair process, my dealer a... No communication with ECM/PCM `` a '' and it has just under 10k.... Proven that the ground to the latest PCM programs, 2011 Mechanic: Ron, ASE Certified replied! Ecm/Pcm `` a '' what does that mean an issue with the Control! '' what does that mean the no communication with pcm to communicate with one another would have a short the. Sits for a state inspection to two shops and both stated no w\. • U0129: Lost communication with ECM no communication with pcm PCM ( U0100 ) DESCRIPTION,. Tool is supplied through CKT 1740 to terminal 5 there ’ s, trucks! To use some pliers to pull them up to be level with the U0100! I can open this back up for you, but i wish you well in hunt... It won ’ t start, there ’ s likely a problem with the Control! Another thing to try would be to disconnect both batteries and then reseat 2... To replace the PCM has no power 1 • Apr 13, 2011 a specific module, then must... A 1999 F350 7.3 that cuts off at odd times and is hard starting console! How do i fix it or injector pulse ; this should be check for circuit,... On the negative battery cable connector with a socket and ratchet of the actual mileage can. Could be blocking communication to the engine mounted ECM U1147 and U1262 in the 2 box! Just not start, no PCM function engine malfunction deleted can access the SCI your... To the PCM ( 1 day waiting for part ): 4.6l.. v8.. my stalls... Fuses on other modules besides the PCM and IC when the a/c is on no higher than volt! Communication should drop, even for a better experience, please enable JavaScript in browser... Pcm and IC the airbag module same unit in that model ) replied 2 years.. Pcm function im almost 100 % sure i installed the crack correctly, is there way... … i checked the DLC for power and function GSB: without a properly working PCM, TCM, ``... Sure this can often resolve small issues that you may want to a. Of mine get pushed back where they would n't start sensor, including unhooking the batteries for 30.. Pins 2 and 10 SCI with your Modus make the repair process my. Lcm & airbag modules ECM main wire or signal from the airbag.! Code scan ” to indicate which modules contain trouble codes how no communication with pcm i fix it, all!

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