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Re: Intermittent Loss of Communication with PCM
Posted to Technical Discussion Forum on 5/14/2025 4 Replies

The only communication code I'm getting is the U0100 in the TCM stating it can't communicate with the ECM. We did clean all the grounds under the hood, and also the one on the frame under the driver's seat. When it is occurring, I can still communicate with AL... Login to read more.

4 Replies Received (View Replies)