How do you reset the security on a 1999 GMC Yukon?

How do you reset the security on a 1999 GMC Yukon?

30 Minute Learn Procedure

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

What’s the flashing light on my GMC Truck?

Went to Fred Meyer’s earlier tonight and the truck was running great, no problems. Shut it off, went inside to shop, came back out afterwards, and then the fun started. I turned the key to on, and all the dashlights and heater and stuff came on, but when I turned it to start, nothing.

What to do when your security light wont turn on?

1.) Attempt to start the car by turning the key to the Start/Run Position. 2.) Observer that the vehicle fails to start and that the security light is illuminated. 3.) Release key to the ‘ON/Accessory’ Position. (DO NOT turn key to the ‘OFF’ position). 4.) Allow the vehicle to sit with the key in the ‘ON/Accessory’ Position for at least 11 minutes.

What to do if your GMC wont start?

You may also want to check the fuse (see “Fuses and Circuit Breakers” in the Index). See your dealer for service. Center. See “Roadside Assistance” in the Index. 1.) Attempt to start the car by turning the key to the Start/Run Position. 2.) Observer that the vehicle fails to start and that the security light is illuminated. 3.)

How to start a car with a flashing security light?

Attempt to start the car by turning the key to the Start/Run Position. 2.) Observer that the vehicle fails to start and that the security light is illuminated. 3.) Release key to the ‘ON/Accessory’ Position. (DO NOT turn key to the ‘OFF’ position).

What’s the flashing security light on my GMC?

AllOffTopic.com FTW! It’s not security. Security issue would make it crank fine, fire up, and then stall immediately. I’d check the park interlock, that will prevent it from cranking in the first place. Check the park interlock as in it’s out of adjustment or what?

When does the Toyota Corolla security light go 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.

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.

Attempt to start the car by turning the key to the Start/Run Position. 2.) Observer that the vehicle fails to start and that the security light is illuminated. 3.) Release key to the ‘ON/Accessory’ Position. (DO NOT turn key to the ‘OFF’ position).