Diagnostic Test
WARNING: This page is about a different car, the 2008 Jeep Commander. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR ACTIVE DTC
With the scan tool, read the active DTC's.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle.
With the scan tool, read the active DTC's.
Does the scan tool display this DTC as active?
Yes
- Go To 2.
No
- If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- CONFIGURE THE FCM TO THE VEHICLE
With the scan tool enter program network configuration and program the FCM to the vehicle configuration.
With the scan tool, erase FCM DTC's.
Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle.
With the scan tool, read the active DTC's.
Does the scan tool display this DTC as active?
Yes
- Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Front Control Module in accordance with the service information.
- Perform BODY VERIFICATION TEST .
No
- Repair is complete.