Repair Instruction

Repair Actions

1. Check for communication faults with VCU from other ECU's and investigate faults with VCU
2. If fault returns, check for communication faults from the LIN Communication BUS linking VCU and Air Flow Shutter "A" Control Module and investigate faults with LIN Communication BUS
3. If fault returns, check electrical circuits between VCU and Air Flow Shutter "A" Control Module, repair if faulty and clear DTC
4. If fault returns, replace Air Flow Shutter "A" Control Module and clear DTC
5. If fault returns, replace VCU and clear DTC