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Re: PCM won't comunicate, truck won't run
Posted to Technical Discussion Forum on 7/20/2009 7 Replies

No need to check 5 volt references or such, you can ground or short out any circuit on that PCM besides the powers, grounds, and data line...and it will still communicate.

So that's all there is to it, check powers, grounds, and data line at the PCM. If ther... Login to read more.

7 Replies Received (View Replies)