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Home >> Dodge and Ram >> 2011 >> Caliber Heat, Standard >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> U0121-Lost Communication With Antilock Brake Module >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Refer to DTC Based Diagnostics and perform the appropriate diagnostic procedure. Refer to Diagnosis and Testing .

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