Pinpoint Test CB : U0121:00 And U0417:82: Notes
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
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. |
| U0417:82 | Invalid Data Received From Park Brake Control Module: Alive/Sequence Counter Incorrect/Not Updated | Sets in continuous memory in the IPC if electronic brake data received from the ABS module through the GWM is missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- GWM concern
- ABS module
- IPC concern