Diagnostic Test

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE:
Make sure the IOD fuse is installed and the battery is fully charged before proceeding.
1. Turn the ignition on.
2. With the scan tool, read the active DTCs.
  Is this DTC active?
  
  Yes
  - Refer to U0196-LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE and perform the U0196-Lost Communication with Vehicle Entertainment Control Module diagnostic procedure.
  No
  - Refer to COMMUNICATION - DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.