Pinpoint Test N : U0121:00: Notes
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The Parking Aid Module (PAM) communicates with the ABS module through the GWM. REFER to: Parking Aid - System Operation and Component Description .
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 Parking Aid Module (PAM) if messages received from the ABS module through the GWM are missing for 5 seconds or more. |
Possible Sources
- Communication concern
- ABS module
- GWM concern
- Parking Aid Module (PAM) (integral to the BCM)