How can I test if the ECM is working or dead?
How can I test if the ECM is working or dead? Connecting an OBD-II scanner gives the code U0100 Lost Communication With ECM/PCM “A”. 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.
What causes no crank and u0100 lost communication with ECM?
All the trouble was caused by a mouse chewing through some wires under the battery and fuse box. I was just going to say to check the fuse box under the hood. Mine has rattled itself loose twice. Bolted it back down after inspecting for damage and everything went back to normal.
Is there a fix for YouTube ECM no communication?
ECU ECM No Communication FREE fix!! – YouTube SOLVED!!! ECU ECM No Communication FREE fix!! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
What is the code for Crank no start?
Come along with Eric O. at the SMA shop as he has a look at this 2009 Chevrolet 1500 5.3 that was towed in as a crank no start. It has a code stored in it U0109 for “loss of communication with fuel pump control module.” You can follow along with Eric O. as he brings you along and diagnosis the FPCM.
How can I test if the ECM is working or dead? Connecting an OBD-II scanner gives the code U0100 Lost Communication With ECM/PCM “A”. 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.
All the trouble was caused by a mouse chewing through some wires under the battery and fuse box. I was just going to say to check the fuse box under the hood. Mine has rattled itself loose twice. Bolted it back down after inspecting for damage and everything went back to normal.
ECU ECM No Communication FREE fix!! – YouTube SOLVED!!! ECU ECM No Communication FREE fix!! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
Come along with Eric O. at the SMA shop as he has a look at this 2009 Chevrolet 1500 5.3 that was towed in as a crank no start. It has a code stored in it U0109 for “loss of communication with fuel pump control module.” You can follow along with Eric O. as he brings you along and diagnosis the FPCM.
When does the engine control module detect loss of speed?
Refer to the OEM service manual for location. This diagnostic runs continuously when the vehicle is in motion, if the feature is enabled. The Engine Control Module (ECM) detected a loss of vehicle speed when other engine operating conditions indicated that the vehicle should be in motion.
What are the symptoms of a damaged ECM?
Common Symptoms. No start, hard start, slow cold start, engine stalls, rough idle, high idle, misfire, loss of power. Possible issue: No signal to ignition coil, no pulse to injector, communication issue with ECM/ECU.
How can I tell if my ECM is out of sync?
This is accomplished by the module constantly reading values obtained by various performance maps and using signals generated by other devices monitoring the engine. There are some common symptoms your vehicle will exhibit when things are out of sync.
What causes a DTC error code on an ECM?
Possible issue: A problem with the logic of a vehicle’s computer when the signal value sent by a sensor to the control module is not within a pre-programmed range specified by the manufacturer. DTC error codes for ECM/ECU.