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U0129-00: Lost Communication With Brake System Control Module

NOTE:

The Scan Tool may display the description name of this Diagnostic Trouble Code differently with the following below:

U0129-00-LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE (BSM)

The COMMUNICATION DIAGNOSTIC PROCEDURE MUST be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION DIAGNOSTIC PROCEDURE .