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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Integrated Trailer Brake Module (ITBM) - Electrical Diagnostics - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module

U0121-00-Lost Communication With Anti-Lock Brake System (Abs) Control Module

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Perform the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE. Refer to STANDARD PROCEDURE .

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