Quote:
Originally Posted by blueallie
The voltage normally runs between 12.4-14.1. The car is getting harder to start.
If it's the ecu, how hard is one to get? I hope it just ends up being a loose ground and not something that's gonna cost an arm and a leg....
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It's going to be one of the computer modules, not necessarily the ECM/PCM, could be BCM, TCM, etc. A loose ground only costs less than a module if it is found immediately. I doubt it's that anyways, if the problem is getting worse you definitely have a computer problem. Meaning any of your computers, not just main brain
Gotta disconnect each module one at a time and try communicating with the others, usually that's the easiest way to figure out which is bad. Once the bad module is disconnected all the other modules should communicate with OE scanners. Assuming the problem is not intermittent