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No Bus means that there is a failure, probably a connector or harness, at or to the ECM. Look to that connector for the issue.
Yea, I've got a few troubleshooting trees to finish still. I'll be posting that info as I go. Just trying to post all I've found in one spot. What's taken me weeks and 5 forums to gather, would be nice for the next person to find it all in one thread. Not saying I'm good enough for a tech right up, but the combined wisdom of others in one spot would make things easier to solve...Bob Lincoln said:No Bus means that there is a failure, probably a connector or harness, at or to the ECM. Look to that connector for the issue.
Sometimes it's just good for stress relief...NssJ said:Banging on dash: This has worked once or twice. Low success rate, but still, a good smack on the dash over the steering wheel has on occasion allowed a restart.
I'm sure it will come to that, but I'm trying to exhaust all other options first. Also don't wanna install a new pcm, then cook it with whatever is destroying this one...ImperialCrown said:I would look for a good used or reman PCM.