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.
- Refer to the appropriate system wiring diagrams and check the power and ground connections to the ABS module. Clear DTC and retest
- Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the appropriate system wiring diagrams and check the CAN network between the ABS module and the parking aid control module