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U0100 Diagnostic Trouble Code Discussion for November 2017

Lost Communication With ECM

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Trouble Ticket Help Requests for DTC U0100
Help Request Posted
2008 Ford Ranger XL 2.3L No Start VIN: 1FTYR10D38
U0100: No communication with pcm. ... head. Customer said that it had an intermittent no start problem that was repaired by replacing the PCM with a used one a year a go. The problem came back so I ordered another used PCM. Pulled the truck in (it was running). Downloaded the data off of ...
November 24, 2017