What are the different types of GM anti theft systems?

GM made several different types of anti-theft systems. VATS, PassKey, and PassLock. The troubleshoot and reset procedures are different for each. PassLock seems to have the highest failure rate. So if you have a key WITHOUT a chip in it, chances are it’s a PassLock system.

How to program a GM / Chevy coded / anti theft key?

HOW TO PROGRAM A GM/CHEVY CODED/ANTI THEFT KEY FOR FREE! SAVE MONEY!!! – YouTube HOW TO PROGRAM A GM/CHEVY CODED/ANTI THEFT KEY FOR FREE! SAVE MONEY!!! If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations.

How does an anti theft system work on a car?

This system uses a coded lock cylinder. That’s right, the coding is built into the lock so if a thief pulls the lock cylinder they’ll never be able to start the vehicle. When you insert the proper key and turn the cylinder, a magnet on the cylinder induces a magnetic field onto a sensor.

Why does my Chevy have a theft PassLock system?

However proud you are of your GM, you undoubtably know GM’s products well enough that you also know that in spite of how great they are, they almost always seem to have some kind of manufacturing quirk that ends up killing the whole “See the U. S. A. in a Chevrolet” vibe.

How does an anti theft radio work on a Chevy?

General Motors vehicles, including Chevy, contain anti-theft Delco Theftlock radios that can only be used by entering the correct security code. This security code keeps someone from using the radio in another vehicle if the unique security code is not entered. The radio display will read “LOC” and the device will not turn on.

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

How does the vehicle anti-theft system ( vats ) work?

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. If the resistance value read by the TDM is what the TDM is expecting, the TDM will send a signal to the PCM informing the PCM that a valid key is present and the PCM may start the vehicle.

What are the different types of GM anti theft systems?