Repair Instruction

Repair Actions

1. Check for communication faults with WLC from other ECU's and investigate faults with WLC.
2. If fault returns, check for communication faults from the BCM-LIN2 Communication BUS linking BCM and WLC module and investigate faults with BCM-LIN2 Communication BUS.
3. If fault returns, check electrical circuits between BCM and WLC, repair if faulty and clear DTC
4. If fault returns, replace WLC and clear DTC
5. If fault returns, replace BCM and clear DTC