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.

1) CHECK FOR ACTIVE INTERNAL FAULTS, IGNITION FAULTS, & BATTERY FAULTS IN THE OCCUPANT CLASSIFICATION MODULE (OCM)
NOTE: Ensure the battery is fully charged.

NOTE: When reconnecting Airbag system components, the ignition must be turned off and the battery must be disconnected.

Turn the ignition on, then off, and then on again.

With the scan tool, read Occupant Classification Module (OCM) DTCs.

Does the scan tool display any active DTCs relating to internal faults, ignition faults, or battery faults?

Yes
1. Diagnose and repair the DTCs. Refer to the DIAGNOSTIC CODE INDEX for a complete list of symptoms.
No
1. Go To step 2).
2) VERIFY THAT B1B91-DRIVER SEAT TRACK POSITION SENSOR CONFIGURATION MISMATCH IS ACTIVE
With the scan tool, erase OCM DTCs.

Turn the ignition off, wait 10 seconds and then turn the ignition on.

Wait 2 minutes, and then with the scan tool, read OCM DTCs.

Does the scan tool display active: B1B91-DRIVER SEAT TRACK POSITION SENSOR CONFIGURATION MISMATCH?

Yes
1. Go To step 3).
No
1. Perform *OCS VERIFICATION TEST - VER 1 .
3) VERIFY WIRING
Turn the ignition off.

Inspect the driver and passenger seat wiring for Seat Position Sensors.

Are Seat Position Sensor(s) present?

Yes
1. Replace the OCM in accordance with the Service Information.
2. Perform *OCS VERIFICATION TEST - VER 1 .
No
1. Perform *OCS VERIFICATION TEST - VER 1 .