Repair Instruction

Repair Actions

1. Check for communication faults with IDB from other ECU's and investigate faults with IDB
2. If fault returns, check for communication faults from the Chassis CAN communication BUS linking MHU and IDB via XGW module and investigate faults with Chassis CAN Communication BUS
3. If fault returns, replace MHU and clear DTC
4. If fault returns, replace IDB and clear DTC.