DTC U0129: (TCM) Lost Communication With Brake System Control Module
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U0129 (TCM) - LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE
| 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: Network DTC concerns occur during module-to-module communication. Refer to the appropriate Module Communications Network article, Communication Network DTC Chart to continue diagnosis. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the Description, Possible Causes and Diagnostic Aids for the DTC. | ||