DTC U0078-88: Control Module Communication Bus "F" Off - Bus off: Action
WARNING: This page is about a different car, the 2023 Jaguar F-Pace and 2022 Jaguar F-Pace. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do NOT replace the anti-lock brake system control module. The anti-lock brake system control module has lost synchronisation with the FlexRay bus. This may be due to vehicle harness connections or harness integrity
- Refer to the electrical circuit diagrams and check the FlexRay bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance