GM No-Start Pass Lock Sensor

If you have a GM vehicle that turns over, but will not start; check this. Turn your key to run without turning over and see if your Security light is flashing. Many times the Pass Lock Sensor will not recognize your key and will not crank. If your Security light is flashing, you can leave your key in the Run Position until the light quits flashing–it will light up solid after approximately 15 minutes. At this point, turn ignition off and then turn and crank!

This is especially true if your Security light has been coming on periodically while driving. Hope this helps get someone out of a jam because mine has acted up at a gas station twice now. You can have the Sensor replaced or you can deal with the 15 minute delays.

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