Circuit/System Verification

Ignition ON.
Verify no additional DTCs are set in other control modules.
- If additional DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle
- If no additional DTCs are set
Verify the scan tool Park Brake Control Module Invalid Signal Identification parameters are all Valid.
- If any parameter is Invalid
  Refer to the appropriate subsection in which the failure occurred. Refer to Symptoms - Vehicle
- If all parameters are Valid
All OK.