SOURCE: 1996 Camaro RS suddenly wont start - anti theft problem?
You can start it by putting into program mode...try to start, then turn it to off..,,then turn it to on (not start)..leave it on for 15 min...turn it to off for 2 min..and start..
This will reset the signal from the bcm to the pcm of the car.
you most like ly have a problem in the start switch key reader...It has to be replaced as a unit
Or it could be your bcm or pcm...very very expensive... try this first... If it does not work off to the dealership..don't even try to give this to a garage to fix. Gm has the software to reflash your computer.
SOURCE: anti theft system
The chip is in the key. Either the key has lost it's program or the transceiver is not recognising the key. Try another key if you have one.
SOURCE: 94 Cadillac DeVille: Car would only run for 20
When the car has the crank/no start, at that point see which is missing. Test for fuel and spark. I think it has to do with fuel, a tired fuel pump or relay. But remember to check the oil sending unit. If it fails it will shut down the fuel system.
SOURCE: constant control relay module CCRM do on a 2002
contorls fan, fuel pump, ac , all relays are inside this box, it is located in the fender well
SOURCE: How do I reset the anti theft module in my 99 silverado 1500
leave the key in the on position for 10 minutes, then take it out and do it again for a total of 3 times..... occasionally it only takes once for 10 minutes but it shouldnt take any more than 3 times.
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