Pinpoint Test L : U0121:00: Notes
WARNING: This page is about a different car, the 2019 Ford SSV Plug-in Hybrid, 2019 Ford Police Responder Hybrid, and 2019 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
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 HCM does not receive data messages from the ABS module through the GWM are missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- Battery voltage concern
- ABS module
- HCM