Diagnostic Test

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE: Ensure the IOD fuse is installed and the battery is fully charged before proceeding.
1. Turn the ignition on.
2. With the scan tool, read active Door Module DTCs.
  Is this DTC active?
  
  Yes
  - Perform the diagnostic procedure for this DTC. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing .
  No
  - Perform the Stored Lost Communication DTCs diagnostic test procedure. Refer to Non-DTC Diagnostics/Communication - Diagnosis and Testing .