DTC U0129: Lost Communication With Brake System Control Module (TCM)
U0129 - LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE (TCM)
| Description: The transaxle control module (TCM) continuously monitors the controller area network (CAN) for messages from the anti-lock brake system (ABS) module. This DTC sets when the TCM does not receive the ABS message within the defined amount of time. | |||
Possible Causes:
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| Diagnostic Aids: Check for other TCM DTCs or TCM related symptoms. Diagnose all other TCM DTCs or TCM related symptoms first. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST QA . | ||