You have two choices, you can purchase a new ignition lock cylinder (costs between 150-200 at most any part store) and take it to a lock smith with your original key to have the pins changed to where your key operates the new lock cylinder. And then have it changed out. Or you can take your car to a mobile audio store that installs aftermarket remote start systems and have them bypass the PassLock anti theft system. Cost should be about the same either way, may be just a but cheaper for the bypass, but then your car will be more vulnerable. If the PassLock had been bypassed when they attempted to steal it, it might be gone right now.
SOURCE: 2002 Monte Carlo wont start
sounds like your passlock sensor on the ignition barrel is faulty. you will have to go to the dealer to have it replaced because of the programming after replacement.
SOURCE: 2002 Monte Carlo SS starting when it wants
The Starter silenoid is probably what the problem is. And the knocking could that be a loose starter? The two problems doesn't seem connected.
God Bless Greg
SOURCE: my security light comes on and i can't start my car
your car security system can not be disable but it can be bypass
but firts on these models it is the pass key the problem
on your key to strt the car you have a little round black thing with a little metal contact this is a resistance that is in your key when you put it in the hole to start your car it mesure the ressistance
and the you can start your car
the usual problem with this system is that in the ignition key lock cylinder there are two wire
and usualy one of the two wire just cut so i would remouve the stearing wheel and get that wire fix
hope that will help you !!!
the way to bypass the system is easy but you need to realy know what you will be doing
first you mesure the ressistance in the key in (ohm) and second get a ressistance the same value from any places that sells electronics
after you will find in your car the passkey decoder module (behind right side of i/p)
the two wires that come out of the box (B7 ppl/wht and B8 wht/blk)
cut these two wires and weld the ressistance in bettwen
this way you won t have to take your stearing appart
and your system will be bypass for ever
great day to you
Denis
SOURCE: Buick Rendevouz 2002 Security Sign is up Car has Start problems
have the alternator check out. A good alternator should give produce voltage 13.8v or 14.5v ,but not greater than 15 volts
SOURCE: 2002 Monte Carlo Security system
the process takes about thirty minutes. in three ten minute key cycles. here is how you do it . make sure that the battery is fully charged. step on parking brake pedal and leave it down this will keep the head lights off. turn the key and try to start it then leave it in the on position. you have to leave the key in the on position for ten minutes. you will see the security light on. after the ten minutes the light will go off then turn the key to the start position. turn the key all the way back to the off position and count to three. then try to start it and leave the key in the on position for another ten minutes till the security light goes out. you have to do this same process three times to reset the security system. sometimes you get lucky and it will start after the first ten minute cycle.
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