Diagnostic Test

CHECK FOR AN ACTIVE DTC
NOTE:
Diagnose any Communication DTCs before continuing.
1. Turn the ignition on.
2. With the scan tool, read DTCs and record on the repair order.
  Is the DTC active or pending?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
LIN BUS OR CAN BUS DTCS SET IN THE BODY CONTROL MODULE
Are there any LIN Bus or CAN Bus DTCs set in the Body Control Module?

Yes
- Diagnose the appropriate DTC in the Body Control Module before continuing. Refer to DIAGNOSTIC CODE INDEX .
No
- Replace the Switch Bank in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .