Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Chrysler PT Cruiser Base, AutomaticFACTORY OEM SERVICE PROCEDURE
OCS Verification Test
- OCCUPANT CLASSIFICATION MODULE (OCS) VERIFICATION TEST
- Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.WARNING: Turn the ignition on, then reconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.
- Connect the scan tool to the Data Link Connector - use the most current software available.
- With the scan tool to erase stored OCM DTCs.
- Turn the ignition off, and wait 15 seconds, then turn the ignition on.
- Wait one minute, and read active codes and if there are none present read the stored codes.
- If the scan tool shows any active or stored codes, follow path specified for that trouble code. If no active or stored codes are present, the repair is complete.
Are any DTCs present or is the original condition still present?
Yes
- Repair is not complete. See DTC-Based Diagnostics/MODULE, Occupant Classification (OCM) - Diagnosis and Testing .
No
- Perform the ORC VERIFICATION TEST. Refer to DTC-Based Diagnostics/CONTROLLER, Occupant Restraint (ORC) - Standard Procedure .
- Remove any special tools or jumper wires and reconnect all previously disconnected components - except the Battery.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.