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How do you reset the SECURITY on a 2002 Chevy Tahoe?

How do you reset the SECURITY on a 2002 Chevy Tahoe?

Turn ON the ignition, with the engine OFF. Attempt to start the engine, then release the key to ON; the vehicle will not start. Observe the SECURITY telltale light; after approximately 10 minutes the telltale light will turn OFF. Turn OFF the ignition, and wait 5 seconds.

Why is the SECURITY light on in my 2002 Chevy Silverado?

Open the Chevrolet door and wait until the Security light stops flashing. This light informs you that someone has recently tried to start the engine without the right key. Trying to start the engine before the light stops flashing, even if using a verified ignition key, will cause the Passlock system to engage again.

How do you reset the SECURITY light on a 2000 Chevy Tahoe?

Leave the ignition switch in the “Run” position as the “Security” light blinks on and off for approximately 10 minutes. Turn the ignition switch clockwise to start the engine immediately after the “Security” light stops flashing. The Passlock system resets and the engine will start.

Why is the security light not working on my Chevy Tahoe?

The security light is part of the Passlock system and is not working properly. I checked the fuses and used another key but neither helped. Passlock is a second generation General Motors’ theft deterrent system.

What should I do if my GM security light is flashing?

Insert ignition key and turn to the “ON” position. Do not attempt to start the engine. Leave the key in the “ON” position for approximately 11 minutes. The security light will be steady on or flashing for the 11-minute period. Do not proceed to Step 2 until the security light turns off or stops flashing. 2.

Why is the PassLock sensor on my Chevy Tahoe not working?

Weak links are the circuits to and from the Passlock Sensor in the steering column. It’s a very sensitive signal and can be easily affected by shoddy electrical connections.

The security light is part of the Passlock system and is not working properly. I checked the fuses and used another key but neither helped. Passlock is a second generation General Motors’ theft deterrent system.

Insert ignition key and turn to the “ON” position. Do not attempt to start the engine. Leave the key in the “ON” position for approximately 11 minutes. The security light will be steady on or flashing for the 11-minute period. Do not proceed to Step 2 until the security light turns off or stops flashing. 2.

Weak links are the circuits to and from the Passlock Sensor in the steering column. It’s a very sensitive signal and can be easily affected by shoddy electrical connections.

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Ruth Doyle