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 DTC

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 DTCs.
Is the DTC active?

Yes
- Perform the U0010-00 CAN Interior Bus diagnostic procedure in the BCM. Refer to U0010-87-CAN INTERIOR BUS - MISSING MESSAGE .
No
- Perform the Stored Lost Communication DTCs diagnostic procedure. Refer to STORED LOST COMMUNICATION DTCS .