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.
2003 Chrysler PT Cruiser L4-2.4L VIN BFACTORY OEM SERVICE PROCEDURE
One Passenger Door Fails to Lock and Unlock
Test 1 - 3:
Test 4 - 6:
SYMPTOM
ONE PASSENGER DOOR FAILS TO LOCK AND UNLOCK
POSSIBLE CAUSES
- Door lock motor - open
- Door unlock relay output wire open
- Door lock relay output wire open
- Door unlock relay output wire short to ground
- Door unlock relay output short to door lock relay output
- Door lock relay output wire short to ground
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.
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