Diagnostic Test

WARNING: This page is about a different car, the 2018 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC

NOTE:

Make sure the battery is fully charged before performing any diagnostic procedure.

With the scan tool, refer to the Network Review Screen to display a high level view of the vehicle communication network. Modules shown in red are problem areas.

Always diagnose any Body Control Module (BCM) DTCs first before proceeding.

Turn the ignition on.
With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
With the scan tool, read RF Hub DTCs.
Is the DTC active?

Yes
- Perform the No Response from BCM diagnostic procedure. Refer to DIAGNOSIS AND TESTING .
No
- Perform the Stored Lost Communication DTC diagnostic procedure. Refer to DIAGNOSIS AND TESTING .