Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY DTC IS ACTIVE

Cycle the ignition on.
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 the DTC INDEX - 1500 and perform the U0199-00-Lost Communication with Driver Door Module diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.