Diagnostic Test

WARNING: This page is about a different car, the 2012 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, read the active DTCs.
  Does the scan tool display; U0199-00-LOST COMMUNICATION WITH DRIVER DOOR MODULE as active?
  
  Yes
  - Refer to U0199-00-LOST COMMUNICATION WITH DRIVER DOOR MODULE and perform the U0199-00-Lost Communication with Driver Door Module diagnostic procedure.
  No
  - Refer to COMMUNICATION - DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.