Pinpoint Test H : DTC U0121:00 (China Only): Notes
WARNING: This page is about a different car, the 2018 Lincoln MKC. 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 and on-demand DTC that sets in the Headlamp Control Module (HCM) if ABS messages received from the ABS are missing. |
Possible Sources
- Network communication concern
- Headlamp Control Module (HCM)
- ABS Module
- Charging system concern