Question about GMC Canyon
Disconnected battery to clean terminals then reconnected but anti theft locked me out
Antitheft or Security system failure is a common problem on GM vehicles. Every time you put your key in the ignition, the vehicle's security system reads the signal from your key to make sure it is OK to run. When it recieves the "correct key" signal, the security system allows the starter to turn over, and/or the fuel injectors to function and your car works like it normally does every day. If you were to use a different key, or try to hotwire it, the system would shut down these parts of your car, thus making the vehicle completely immobile. This is GM's way of preventing vehicle theft. The problem is that the system is known to fail quite commonly. It has been failing consistantly for around 30 years. When it fails, two things can happen. First, you turn the key and nothing happens at all. Lights work, radio works, windows work... just not the starter that you need to start the vehicle. This is a "starter immobilizor". Second, you turn the key and the vehicles starts just fine, but then stalls in 2-5 seconds. This is a "fuel immobilizor". It literally cuts off the fuel injectors and stalls the vehicle to immobilize it. These are normally followed by a light on the dash that says SECURITY or ANTITHEFT. These lights are to inform you of the system's failure to collect the information it needs from your key to the computer. If your security/antitheft light is on, odds are you will be stranded soon, if not already. There is a lot of info on this site that you can read up on. http://vatspasslockpasskeysecurityhelp.yolasite.com/
Posted on May 28, 2014
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Posted on Jan 02, 2017
I believe it is the 3 and 5 buttons on the radio it will bring up the #'s keep pushing them until you get your code all typed in.
Posted on Nov 03, 2008
SOURCE: Anti-theft has engaged
sounds like the transmitter in the key head is defective or it lost programming, try these programing steps, if that doesn't do it u need another key made.
Turn ignition from OFF to RUN 8 times within 10 seconds, with the 8th time ending in RUN. Door
locks will cycle to confirm programming mode.
2. Within 20 seconds press any button on first keyless remote. Door locks will cycle to confirm
3. Within 20 seconds, press any button on second keyless remote. Door locks will cycle again to
4. Turn ignition to OFF. Locks will again cycle to indicate end of programming mode.
Posted on Apr 19, 2009
SOURCE: Anti-theft system
my wife locked her keys in and it is the only set. we have a 1994 ford explorer eddie baure edition. it is equiped with an anti theft system on it . if u or someone else has jimmyed the lock on one of the doors that may be your problem. on the lock is a senser and if that senser is not on there then the alarm will go off every time you open that door. so you have to take the door panal off and put it back on. if you don't know how to put it back on then take the opposite door panal off to see how it goes on. hope that helps you out
Posted on Apr 21, 2009
Any luck with your keyless remote issue? I'm having the exact same problem with my Ford F150 CrewCab after car battery replacement.
Posted on Feb 18, 2010
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