Question about 1998 Chevrolet Malibu
We put in another tumbler an key swich an now anti theft light come on an car not start
Have you tried leaving the key on for 15-20 min? I dont know if this works or your exact car and ut i know other gm cars can be reset this way
Posted on Nov 26, 2013
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Posted on Jan 02, 2017
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.
Posted on Oct 26, 2008
leave the key on for about 5 to10 min then try to start. Are reset to computer by leaving the key on for 10 min and try to start the vehical.Do this procese 3 time then it shold reset
Posted on Feb 12, 2009
Try to start car. When it fails leave the key in the on position. You will see the Theft System light flashing. Light will flash for 10 minutes, stay on and then go off. Turn key to off position, wait 10 seconds and start your car.
Don't waste your time or money taking this problem to a dealership because Chevy refuses to issue a recall on this problem. I went to the dealership 5 times. I wound up paying for 2 key cylinders, a BCM module, an ECM module. I finally took it in when the theft system light came on while driving. The problem was in the fuse & relay center underneath the hood. It was all corroded so it was replaced. No problems since then.
Posted on Dec 23, 2009
On a 2003 Chevy Maibu the theft system light comes on and blinks when the system is triggered. The car will not start and the fuel pump cuts out. You must turn key to on and have all doors closed. Keep the key to on for 10 mins til theft light turns solid and then disappears. Then turn key to start and it should fire up.
Posted on Aug 07, 2010
SOURCE: anti theft light
to reset theft system--turn key to on, leave for about 15 minutes. after 15 min. turn key off, wait 15 seconds. then try to start car. to bypass anti theft system-- all gms===go to site- newrockies.ca/vatsbypass.
Posted on Sep 11, 2010
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