Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- Ignition on
- With the scan tool, select View DTCs.
Is the DTC Active or Pending at this time?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- CHECK FOR OTHER DTCS
- Refer to the recorded DTCs.
Are there any Communication DTCs active or pending?
Yes
- Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
No
- Go To 3
- Refer to the recorded DTCs.
- CHECK THE BODY CONTROL MODULE FOR LIN BUS OR CAN BUS DTCS
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 .