Diagnostic Test
WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
- VERIFY THAT B1BBA-PASSENGER SEAT WEIGHT SENSOR SUPPLY CIRCUIT DTC IS ACTIVE
- With the scan tool, read the OCM DTCs.
Does the scan tool display active B1BBA-PASSENGER SEAT WEIGHT SENSOR SUPPLY CIRCUIT DTC?
Yes
WARNING: Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.WARNING: If the Occupant Classification Module (OCM) is dropped at any time, it must be replaced. Failure to take the proper precautions could result in accidental airbag deployment and may result in possible serious or fatal injury.- Replace the OCM in accordance with the Service Information.
- Perform the RE-ZERO OCM SEAT WEIGHT SENSORS diagnostic procedure. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Standard Procedure .
No
- Go to step 2
- With the scan tool, read the OCM DTCs.
- INSPECT PASSENGER SEAT HARNESS WIRES AND CONNECTORS WARNING: Turn the ignition off, disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
- Using the wiring diagram/schematic as a guide, inspect the Passenger Seat Harness wiring and connectors. Look for chafed, pierced, pinched or partially broken wires and broken, bent, pushed out, spread, corroded or contaminated terminals.
Are any of these conditions present?
Yes
NOTE: Do not attempt to repair the Seat Harness. Replace the Seat Harness if the condition inspecting or testing for is present in the Seat Harness.- Replace the Passenger Seat Harness in accordance with the Service Information.
- Perform the RE-ZERO OCM SEAT WEIGHT SENSORS diagnostic procedure. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Standard Procedure .
No
- Perform the OCS VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Standard Procedure .
- Using the wiring diagram/schematic as a guide, inspect the Passenger Seat Harness wiring and connectors. Look for chafed, pierced, pinched or partially broken wires and broken, bent, pushed out, spread, corroded or contaminated terminals.