Is there no PCM communication, no crank with key?
Is there no PCM communication, no crank with key?
Since I have had a no PCM communication, no crank with key, no fuel pump with key. I can crank the engine by jumping the solenoid and fuel pump works when jumping over the relay. I have had two different PCM’s preprogrammed to my vin and just replaced the engine harness that goes to all sensors, FICM, and PCM.
What happens when the PCM is not working?
When the PCM is not functioning correctly, the engine and many other functions that are controlled by the PCM will not function correctly either. This would include parts of the electrical system such as the charging process, communications with other on-board control modules, emission controls, and the transmission.
Why is my PCM not connecting to my scanner?
It takes a while to turn back on. Engine light blinking. Took to a mechanic. Scanner can’t establish connection with PCM on two different scanners. Now waiting for a 3rd scanner.
Why is the PCM not communicating with the CJB?
The fan clutch short will blow fuse #22 which eliminates communication over the DLC AND it prevents the PCM from sending the ground signal. You have proven that the ground signal from the PCM is making it to the CJB. Different situation for you, but I wish you well in your hunt.
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.
When the PCM is not functioning correctly, the engine and many other functions that are controlled by the PCM will not function correctly either. This would include parts of the electrical system such as the charging process, communications with other on-board control modules, emission controls, and the transmission.
Will you allow code readers to read your ECM?
No Communication: Will Not Allow Code Readers to Read My Ecm. I Will not allow code readers to read my ecm. I keep getting “link error”. Any ideas on how to troubleshoot and what to be expecting
What is the PCM in a car called?
The powertrain control module, otherwise known as the PCM or computer, is essentially your vehicle’s brain. It is responsible for the health running of your vehicle’s engine.
