1999 GMC Sierra "gm security system 99" Questions

...security system? Use your spare key and try to start the truck. The worn / original key has a BLACK RESISTOR on the side. GM PassKey is not a well design product. It was made to keep the insure rate ...

system is known for turning off the starter and/or injectors when it fails. Is there a light on the dash that says SECURITY? This is a common problem worth looking into. http://www.diy-gm-security.com

...GM vehicles. Go to this link for info. Compare symptoms. Look for a light on the dash that says "security". If you see that light, then it's 100% an antitheft security issue. ...

...security light goes out ,about 10 minutes , then turn the key off an wait a couple minutes . Then start the vehicle . If it doesn't work you'll need to take it to a repair shop ,have codes read an go ...

a click when you turn the key. Is there a light on the dash that says SECURITY or a picture of a car with a lock through it? This is a common problem worth looking into. http://www.diy-gm-security.com

...issue If you have a coded key then you have to get the right key with the right resistor value in it.. ya this is the part that you need! ive used it.. Hope it helps Do It Yourself GM Security ...

...security light flashing it won't get any fuel . it disabled the fuel injectors ! The vehicle think's it's being stolen . You can do one of two thing's take it an have the DTC'S checked by the dealer ...

...I had this issue its the security system in the car. Its very common in GM's.. this is how fixed mine .. I didn't have any issues with It at all.. check it out see what u think.. hope this

security system that uses a coded key. Since this requires a Tech 2 scanner to program, this maybe a concern to have your local Buick (or GM) dealer look at. The symptom you are explaining,sounds like