DTC U0121-87: Lost Communication With Anti-Lock Brake System (ABS) Control Module - Missing message: Action
WARNING: This page is about a different car, the 2015 Land Rover LR2, 2014 Land Rover LR2, and 2013 Land Rover LR2. However, it is still accessible from the selected car via links, so may be relevant.
- Using the manufacturer approved diagnostic system check anti-lock brake system control module for related DTCs and refer to the relevant DTC index
- Using the manufacturer approved diagnostic system complete a CAN network integrity test
- Refer to the appropriate system wiring diagrams and check the power and ground connections to the anti-lock brake system control module
- Check CAN harness between engine control module and antilock brake system control module. Repair as necessary