Diagnostic Test

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)

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

Yes
- Refer to U0200-87-LOST COMMUNICATION WITH PASSENGER DOOR MODULE - MISSING MESSAGE and perform the U0200-00-Lost Communication with Passenger Door Module diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.