How do you reset the SECURITY on a 2003 Chevy Tahoe?

Try turning the key to the on position with the dash lights on. Let the vehicle sit for 15 minutes with the drivers door open. That should reset the anti-theft device.

How do you reset the PassLock on a Chevy Tahoe?

When this happens, you will need to reset the Passlock system, so that you can again drive your car. Unlock the Tahoe driver’s door and insert the key into the car’s ignition. Turn the key to the “Run” position. This is the position where the ignition is on, but the engine is not.

How to reset PassLock reset system on Chevy?

1. Turn the key to ON and attempt to start the engine and release the key to the ON position. 2. The SECURITY light will illuminate. Wait 10 minutes until it turns off. 3. Turn the key to OFF for 10 seconds. 4. Turn the key to ON and attempt to start the engine.

How do you restart a Tahoe when the ignition is not on?

Unlock the Tahoe driver’s door and insert the key into the car’s ignition. Turn the key to the “Run” position. This is the position where the ignition is on, but the engine is not. Wait five seconds for the security light to go off, then crank the engine.

How does the Tahoe anti theft system work?

Unlike the active anti-theft system which sets off an audible and visual alarm as a warning, the passive system simply shuts down the car ignition. Only your programmed Tahoe key can start the car engine, and other keys that attempt to do the same will engage the Passlock system: Fuel is disabled and there is no way to crank the Tahoe engine.

How to reset the PassLock system on a 2000 Silverado?

If the Passlock system identifies the key as unauthorized, the engine stalls. 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.

How do you change the key on a Chevy Silverado?

Insert your programmed Silverado key into the ignition hole. Turn the key clockwise until the engine cranks. As soon as the engine cranks up, be sure to release the key. If the engine will not crank then you might have an error with your key. Take the key to your local Chevrolet dealer and have them reprogram it to your particular Silverado.

How long does it take to turn off a GM security light?

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. Turn the ignition switch to the “OFF” position for 30 seconds. 3.