Pinpoint Test G : U0121:87: Notes
WARNING: This page is about a different car, the 2015 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The PAM communicates with the ABS on the HS-CAN.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0121:87 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: Missing Message | A continuous and on-demand DTC that sets when the PAM is unable to communicate with the ABS module. |
Possible Sources
- Communication concern
- ABS module
- PAM