Pinpoint Test N : U0121:87: Notes
Refer to Wiring Diagrams Cell 14 for schematic and connector information.
Normal Operation and Fault Conditions
The Parking Aid Module (PAM) communicates with the ABS module through the High Speed Controller Area Network (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 memory DTC that sets when the Parking Aid Module (PAM) is unable to communicate with the ABS module for 0.5 seconds or more. |
Possible Sources
- Communication concern
- ABS module
- Parking Aid Module (PAM)