Econoline Wagon

Question: Chevy Malibu Security System Doesn't Reset

I'm having a problem with my Chevy Malibu. The theft system is not resetting anymore from the ignition switch so the car is not starting at all. What can I do to get the car to start? Or does the switch need to be replaced? Because it used to reset but now it stop resetting altogether.

Answer:

This is a common problem with the General Motors security systems. The short answer is you will need to replace the ignition switch. The way it works is this; there is a chip on the ignition key with a unique vehicle security code. There is a sensor in the ignition switch that reads this code. This is to insure the right key, assuming the rightful owner of the vehicle has the right key, is being used to start the vehicle.

There are two very small wires that connect the sensor to the Powertrain Control Module (PCM). These wires have a tendency to break. When they do the PCM cannot read the chip and assumes an unauthorized person is trying to start, and presumably steal, the car.

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