How do you reset the SECURITY on a 2004 Chevy Tahoe?

How do you reset the SECURITY on a 2004 Chevy Tahoe?

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 light, after approximately 10 minutes the light will turn OFF.
4. Turn OFF the ignition, and wait 10 seconds.

Why is my GM anti theft not working?

When the anti-theft system light stays on, the fuel pump won’t pump and injectors don’t activate to prevent theft. 2. Sometimes the GM (General Motor) Passlock system cars have a part around the ignition tumbler that goes bad and no longer detects the valid key, due to “the battery in the key is dead and the chip is not connecting to your computer”

What do you need to know about GM vehicle theft deterrent?

Connect a battery charger to the battery to ensure power is available while programming. Both the IPC/BCM and PCM must be working and communicating with each other. 1. Turn ignition on. 2. Attempt to start the engine, and then release the key to the “ON” position. 3. Observe the “SECURITY” indicator light.

What is the name of the theft deterrent module?

VATS, Passkey, & Passkey II – resistive chip ignition key Vehicle Anti-Theft System (VATS) – VATS has a separate module called the Theft Deterrent Module (TDM) that validates the resistive chip in the ignition key.

What are the different types of GM thieves deterrent systems?

GM vehicles have three types of Vehicle Thief Deterrent (VTD) systems, each requiring their own set of relearn procedures. Unless these procedures are correctly performed the vehicle will not start after the PCM has been replaced. The three systems are: Vehicle Anti-Theft System (VATS), Passkey, & Passkey II – resistive chip ignition key

Connect a battery charger to the battery to ensure power is available while programming. Both the IPC/BCM and PCM must be working and communicating with each other. 1. Turn ignition on. 2. Attempt to start the engine, and then release the key to the “ON” position. 3. Observe the “SECURITY” indicator light.

Why does my car anti theft system not work?

Check the key. The key itself could be the culprit for the anti theft system car wont start. The keys have a built-in chip that sends a code to the alarm system when you insert it into the ignition. That chip won’t work in case of a broken or damaged key.

When does anti theft system lock the steering wheel?

Sometimes, the anti-theft system locks the steering wheel and does not let the key turn inside the slot. This annoying problem is mostly exclusive to Hondas. It mainly happens when you move the steering wheel after turning off the car. It locks the wheel in that position and does not let you move it next time you try to switch on the car.

When to turn off the anti theft system?

When you are inside the car. Apply this trick when you have access to the car’s interior and the ‘Theft System’ light on the dashboard is ON. Insert the key in the ignition slot and turn it to the right only slightly. Keep it in that position for 10 minutes or a little more. It is likely to turn off the light and start the car.