Dodge Diagnostic Trouble Codes

Common OBD2 fault codes found on Dodge vehicles with model-specific causes, known issues, TSBs, and adjusted repair cost estimates. Each guide is tailored for Dodge owners.

Electrical

U0100Critical

Lost Communication With ECM/PCM 'A'

Dodge Ram 1500/2500 • 2007-2012

Ram trucks with the TIPM (Totally Integrated Power Module) are notorious for U0100. Chrysler extende...

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