DTC B12C9-88: LIN Bus "E" - Bus off: Action

WARNING: This page is about a different car, the 2020 Land Rover Range Rover. 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 LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary