How do you reset the security light on a 99 Chevy Tahoe?
How do you reset the security light on a 99 Chevy Tahoe?
How to Reset a Passlock to Restart the Fuel Pump on a 99 Tahoe
- Unlock the Tahoe driver’s door and insert the key into the car’s ignition.
- Turn the key to the “Run” position.
- Leave the ignition key in the “Run” position for 90 seconds, or until the security light stops flashing again.
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 was the PassLock system on a Chevy Tahoe?
The mid- to late-90s versions of the Tahoe used a passive security system called “Passlock.” 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.
How does the PassLock work on a 1998 Chevy truck?
Most ’98 Chevy trucks came equipped with a General Motors passlock security feature that cuts the fuel supply to the engine if a key that’s incompatible with the system is inserted into the ignition. Once the theft-deterrent security feature has been activated on your ’98 Chevy truck, you will have to reset the passlock to start the engine.
How do I Turn Off the PassLock security light?
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. If it starts and run, the system has reset. If it doesn’t start or run and release the key to the ON position and complete the rest of the steps.
How does the PassLock sensor work on a Chevy Tahoe?
The Passlock sensor sends a signal to the Passlock control module. The Passlock module reads this signal and sends the appropriate information to the Powertrain Control Module. If the ignition key and lock cylinder operates normally the engine will start as usual.
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.
Most ’98 Chevy trucks came equipped with a General Motors passlock security feature that cuts the fuel supply to the engine if a key that’s incompatible with the system is inserted into the ignition. Once the theft-deterrent security feature has been activated on your ’98 Chevy truck, you will have to reset the passlock to start the engine.
What should I do if my PassLock security light goes off?
If nothing happens or the engine starts and dies, the security light will be flashing. Wait ten minutes. The flashing light should go off or illuminate without flashing. When it does, turn the ignition off, wait twenty seconds, and then try to start the engine. If it starts and runs, everything is okay.
