DTC U0284-87 Lost Communication with Active Grille Air Shutter Module "A" - Missing message: Action
- Vehicle Conditions to enable DTC Logging Strategy
- Prioritised Checks to Perform
- Refer to the appropriate system wiring diagrams and check the active grille air shutter motor power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
- Refer to the appropriate system wiring diagrams and check the LIN bus circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new active grille air shutter motor