DTC U0046-88: Vehicle Communication Bus C - Bus off: Action
- Using the Jaguar Land Rover Approved Diagnostic Equipment, check the terrain response switchpack power and ground circuits for open circuit, high resistance. Repair circuits as required, clear the DTCs and retest
- Using the Jaguar Land Rover Approved Diagnostic Equipment, complete a CAN network integrity test
- Refer to the appropriate system wiring diagrams and test the high speed CAN bus (chassis) circuit for short circuit to ground, short circuit to power, open circuit, high resistance