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.
Transmitter Programming Procedure (Method 1 - No Tools Required)
2002 Chevrolet Avalanche 2500, RWDSECTION Transmitter Programming Procedure (Method 1 - No Tools Required)
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Close all the vehicle doors.
- Insert the ignition key into the ignition lock cylinder.
- Press and hold the door unlock switch.
- While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
- Release the door unlock switch. The Doors will lock and unlock to confirm the program mode.
- Press and the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter.
- Repeat the previous step to program up to four transmitters.
- Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter mode.
- Operate the transmitter functions in order to verify correct system operation.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.