Pinpoint Test F: DTC (Diagnostic Trouble Code) U0121:00: Notes
WARNING: This page is about a different car, the 2023 Lincoln Nautilus. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0121:00
Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The IPMA communicates with the ABS module on the HS-CAN2.
Possible Causes
- Communication network concern
- ABS module
- IPMA concern
| 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 IPMA if messages received from the ABS module over the HS-CAN2 are missing for 10 seconds or more. |