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.
Where do I find the anti theft code on my car?
Find the anti-theft or unlock code. You will find that most vehicles have an owner’s manual with an anti-theft radio card. If it’s not in the owner’s manual, you might also find the code and serial number in the glove compartment. To unlock the code, you will need this card.
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 a GM theft deterrent system work?
An exciter coil located inside the ignition lock cylinder induces power into the transponder when the ignition switch is turned on. The transponder emits a unique signature signal that’s received by the Theft Deterrent Module (TDM).
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.
An exciter coil located inside the ignition lock cylinder induces power into the transponder when the ignition switch is turned on. The transponder emits a unique signature signal that’s received by the Theft Deterrent Module (TDM).
Why are there security systems in GM cars?
These security systems were incorporated into many of their models, including the ’97-03 N-bodies, to keep GM cars from being stolen. It’s not uncommon to have a glitch in the theft passlock system that prevents owners from starting their vehicles. It’s a pesky problem, but easily dealt with when you bypass the system.
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.