Diagnostic Test

CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)

NOTE:

Diagnose and repair any BCM VIN or Communication DTCs before continuing with this test.

Turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display this DTC as active?

Yes
- Verify the correct vehicle configuration is programmed in the BCM.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Use the scan tool to read DTCs in all other modules and verify correct DPDM part number. If any communication DTCs are present, perform the appropriate diagnostic procedure. Perform any Technical Service Bulletins that apply. If no problems are found, replace the Driver Presence Detection Module. Replace the Driver Presence Detection Module in accordance with Service Information. Refer to MODULE, DRIVER PRESENCE DETECTION (DPDM), REMOVAL AND INSTALLATION .
  .
- Perform the Driver Presence Detection Module verification test. Refer to DRIVER-PRESENCE-DETECTION-MODULE-(DPDM)-VERIFICATION-TEST .