Diagnostic Test
WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
(Refer to ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING) for the diagnostic test procedure.
- 1) FRONT CONTROL MODULE FAILURE
Turn the ignition on.
With the scan tool, read FCM DTCs.
Does the scan tool display any Front Control Module DTCs?
Yes
- Select appropriate symptom from DTC table. Repair all FCM active DTCs and before diagnosing the ORC DTCs.
No
- Replace the Front Control Module in accordance with the Service Information.
- Perform *ORC VERIFICATION TEST - VER 1 .