DTC U0121 - Lost Communication With The Anti-Lock Brake System (ABS) Control Module
DTC DESCRIPTION U0121 - LOST COMMUNICATION WITH THE ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE
| Description: | This DTC sets when the PCM does not receive the ABS message within the defined amount of time. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Network DTC concerns occur during module to module communication. Refer to the Module Communications Network article, Communication Network DTC Chart to continue diagnosis. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST AE . | ||