Pinpoint Test B : DTC (Diagnostic Trouble Code) U0121:00: Notes
Normal Operation and Fault Conditions
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 | A continuous memory DTC that sets in the BCM if ABS messages received from the ABS module through the IPC over the MS-CAN are missing for more than 2 seconds. |
Possible Sources
- Communication network concern
- Battery voltage concern
- ABS Module
- IPC
- BCM