Pinpoint Test C : DTC U0121:00: Notes
Diagnostic Overview
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
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 the BCM if data messages received from the ABS module over the HS-CAN are missing for 5 seconds or more. |
Possible Sources
- ABS module
- BCM