DTC U0001-88: High Speed CAN Communication Bus - Bus off: Action
NOTE:
Re-configuring the all wheel drive control module will automatically re-configure the driveline disconnect control module.
- If available using the Jaguar Land Rover approved diagnostic equipment, select one of the following guided diagnostic concern areas below, or select the guided diagnostic using the available tab
- Powertrain - Transmission and Driveline - Loss Of Traction
- Warning - Messages - 2 wheel drive only - traction reduced
- Using the Jaguar Land Rover approved diagnostic equipment, re-configure the all wheel drive control module with the latest level software. Clear the DTCs, road test the vehicle and retest
- Refer to the electrical circuit diagrams and check the power transfer unit to rear drive unit circuit for short circuit to power, short circuit to ground, open circuit, high resistance. Disconnect and re-connect connectors to check for poor connection. Repair circuit as necessary. Clear the DTCs and retest
- Refer to the electrical circuit diagrams and check the high speed CAN bus chassis circuit for short circuit to ground, short circuit to power, open circuit, high resistance, Repair circuit as necessary. Clear the DTCs and retest
- Using the Jaguar Land Rover approved diagnostic equipment, perform routine - On-Demand-Self-Test, repair any issues reported by the test
- If the fault persists, check and install a new driveline disconnect control module as necessary. Clear the DTCs and retest
- If the fault persists, check and install a new all wheel drive control module as necessary