Auto/Car locksmiths

GM VAT Keys - Vehicle Anti-Theft System

General motors / GM introduced the VATS or Vehicle Anti-Theft System in 1986. Basically the VATS security system must read one of 15 resistor values to allow the vehicle to start. Use an incorrect value, you’ll lock out or put the vehicle into a no crank situation for up to 10 minutes.

When GM introduced the VATS system it significantly reduced the theft of GM vehicle equipped with such a system. The VATS system disables the engine starter if the systems module detects an incorrect, or non existent resistor value at the time of ignition. Within the Key there is a small built in resistor pellet. Today the system is capable to shut-off the fuel supply.

911Locksmith locksmiths are experts in the filed of VATS keys and transponder keys and are equipped with all the necessary tools and computers to make such keys. If from any risen you want to try and bypass your VATS on your own we provide you a step by step instruction.

Your well advised to have an ohm meter. Use a meter, or it makes for a real long day! There are 15 different resistor values. As long as you are within 5% +/- of the measured value, you'll be able to bypass the system. The newer system is called PassKey II. (Passlock 2)

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