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 MANUALSCHEVROLET2000CAVALIER BASE, 4D SEDAN, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 366 (KEYLESS ENTRY SYSTEM)REPAIR INSTRUCTIONSTRANSMITTER SYNCHRONIZATION
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 T
Transmitter Synchronization
2000 Chevrolet Cavalier Base, 4D Sedan, 2.4 TSECTION Transmitter Synchronization
WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- Resynchronization may be necessary due to the security method used by the remote keyless entry system.
The transmitter does not send the same signal twice to the Body Control Module(BCM).
- The BCM will not respond to a signal that has been sent previously.
This prevents anyone from recording and playing back the signal from the transmitter.
- Resynchronization may be necessary under the following conditions:
- The battery in the transmitter is very weak.
- The battery in the transmitter was replaced.
- The battery in the vehicle has been in a low or no charge condition for an extended period of time.
- In order to resynchronize the transmitter with the BCM, perform the following steps:
- Stand within 1.5 m (5 ft) from the vehicle.
- Simultaneously press and hold the LOCK and UNLOCK buttons on the transmitter for 7 seconds.
The horn should chirp in order to confirm synchronization.
RENDER: 1.0x
NO RELATED
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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.