I need a answer, so i know if I should replace the cylinder, or if I have to do something to undo the security lock
SOURCE: I lost my key and need to replace the lock cylinder
I guess you should just replace everything. It would be the easiest way to go.
SOURCE: Ignition and Transmisssion Locked on 2000 Chevy Malibu
I had a similar problem on a 2001 GM product. The problems all stemmed from a worn out key. Keys are made from softer metals so that they wear out before the expensive cylinder does. Debris had collected in the cylinder preventing ANY key from turning it - corrected that with compressed air. Replaced the key at the dealer by providing the VIN and my ID w/registration - $10.00. Kept the old keys because they still worked for opening the trunk. Try it, I bet your symptoms and fix actions are very similar, at least, I hope so. Regards.
SOURCE: Truck won't start and security light is on, not flashing.
if you dont have in depth knowledge of vehicle systems, this will be difficult.
security/immoboliser problems are best scanned to pin point the problem.
if your key is the transponder type, have you checked/replaced its battery?
SOURCE: replacing ignition switch in 2001 chevy silverado
Not the igniton switch, its the ingition cylinder and or the housing. The switch is not part of what you are really turning. It's connected to it via gears. The common problem is the key gets worn out and the tumblers wear also. Eventualy they do not line up right and will not make the "bar" drop in the cylinder to allow it to turn from the off positon. If you have the title in your name and the key has never been rekeyed or the code has been changed you can go down to a dealership with all of the info for the truck and they can cut you a key from the vin number. You can try that first before you put a cylinder and housing in it.
Testimonial: "I really appreciate this info it makes sense and hopefully this solves the problem. it gets really annoying not being able to start the truci"
SOURCE: power door locks on a 2004 chevy tahoe don't work
The door locks on my 1999 tahoe stopped working and I checked the fuse, which was fine. The problem turned out to be that the fuse for my cigarette lighter was bad and for some reason it also must be working in order for the door locks to work. Put in a new cigarette lighter fuse and the door locks worked again!
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