DTC U011D-87: Lost Communication With All Wheel Drive Control Module - Missing message: Action
NOTE:
No repair actions relating to the Transmission or Transmission Control Module will rectify this fault
- Prioritized steps to perform:
- Refer to the electrical circuit diagrams and check the all wheel drive system control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the electrical circuit diagrams and check the high speed CAN bus (powertrain) circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, check the all wheel drive system control module for related Diagnostic Trouble Code(s) and refer to the relevant DTC index