U0037-88: Vehicle Communication Bus B - Bus off: Action
- Refer to the electrical circuit diagrams and check the high speed CAN bus (body) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary, clear the Diagnostic Trouble Code(s) and retest
- If fault persist and root cause for bus off message is tailgate control module, install a new tailgate control module and using the Jaguar Land Rover approved diagnostic equipment, perform routine - Initialize Specified Function/Feature, HFA Parameter set download (0x0410)