Chrysler Diagnostic Trouble Codes

OBD2 fault codes seen on Chrysler vehicles, with what each code means and the Chrysler models it shows up on. Each code's page has its typical repair cost range.

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Electrical

U0101High

Lost Communication With TCM

Chrysler 300 (LX, 5.7 V8 with 722.6 gearbox) • 2005-2010

A transmission-rebuilder case file (ATSG) records a 2005 Chrysler 300 with the 5.7 V8 and the 722.6 (NAG1)…

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