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.
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HOMESERVICE MANUALSCHEVROLET2002CAVALIER BASE, 4D SEDAN, 2.2 4, LN2, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSTHEFT DETERRENT SYSTEMDIAGNOSTIC TESTSDTC B3033: SECURITY SYSTEM INDICATES TAMPERCONDITIONS FOR CLEARING THE DTC
2002 Chevrolet Cavalier Base, 4D Sedan, 2.2 4, LN2, Standard
Conditions For Clearing The DTC
2002 Chevrolet Cavalier Base, 4D Sedan, 2.2 4, LN2, StandardSECTION Conditions For Clearing The DTC
- A current DTC B3033 clears when the BCM detects a valid Passlock(tm) sensor code.
- When the BCM detects a valid code from the Passlock(tm) sensor, the ignition switch must be cycled from OFF to ON before this DTC can change from a current DTC to a history DTC.
- A history DTC clears after 100 consecutive ignition cycles if the condition for the malfunction is no longer present.
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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.