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U0121 Diagnostic Trouble Code Discussion for September 2025

Lost Communication With EBCM


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Trouble Ticket Help Requests for DTC U0121
Help Request Posted
2013 Chrysler 300 S 5.7L MIL Lamp on VIN: 2C3CCAGT3D
U0121: Lost Communication to ABS. The Car will drive fine for weeks or even months then all of a sudden the windshield wipers come on and all the lights on the dash come on and it just goes nuts, It will drive but some of the times it gets stuck in first gear sometimes it will shift, When ...
September 20, 2025