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 STARTING, CHARGING OR IGNITION RELATED DTC(S) IN THE POWERTRAIN CONTROL MODULE (PCM)

Turn the ignition on.
With the scan tool, read PCM DTCs and record on the repair order.
Are there any starting, ignition or charging related DTCs in the PCM?

Yes
- Repair the starting, ignition or charging related DTCs. For 2.4L, refer to 2.4L - DIAGNOSTIC CODE INDEX . For 3.2L, refer to 3.2L - DIAGNOSTIC CODE INDEX .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- With the scan tool, perform the PCM programming procedure. Refer to MODULE, POWERTRAIN CONTROL (PCM), MODULE PROGRAMMING .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .