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 POWERTRAIN CONTROL MODULE (PCM) DTCS

This Diagnostic Trouble Code (DTC) will set if a DTC is detected in the Powertrain Control Module (PCM).

Repair the PCM DTC(s).

Repair the PCM DTC(s) in accordance with the service information. For 2.4L, refer to 2.4L - DIAGNOSTIC CODE INDEX . For 3.2L, refer to 3.2L - DIAGNOSTIC CODE INDEX .
Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Refer to STANDARD PROCEDURE .