Pinpoint Test K : U0121:00: Notes
DTC Fault Trigger Condition-PCM
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module | The PCM sets this DTC if data messages from the ABS module through the GWM are missing. |
Normal Operation and Fault Conditions
REFER to: Communications Network .
Possible Sources
- Communications network concern
- ABS Module
- BCM
- GWM
- PCM