Pinpoint Test BH : U0121:00: Notes
Normal Operation and Fault Conditions
IPC DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | Sets in continuous memory in the IPC if data messages received from the ABS module through the GWM are missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- Battery voltage concern
- ABS module
- IPC