SOURCE: how come on a 2002 GMC Denali if you lock your key inside
i would say the theft module saw the door trying to be open without the door lock or fob first, once the door lock button was pushed it shut down, it new doors were trying to be unlocked in a theft manner, once shut down it needs time to reset or needs to see ignition cycle with key and read chip in key, smart system isnt it, good luck.
Testimonial: "I thought it was something like that, so I guess using the car door wedge set this into motion and the guy with the keys inside the vehicle is screwed"
SOURCE: I have a 2000 Yukon
According to my lists, 2000 Yukon has a Passlock 2 anti theft security system. This means that the key literally has a transponder in it that sends a radio signal to the ignition. The ignition/lock cylinder then sends a signal to the TDM (theft deterrent module) which then reads the signal and allows your truck to start. If there are any communication breaks, the truck thinks its being stolen and goes into anti theft.... Read up on this link. There might be an option for you. http://vatspasslockpasskeysecurityhelp.yolasite.com/
Go sit in your truck and close all the doors. Light stays on right? Put your key in the ignition. Does the chime start going off when you put the key in? If so, door switch or the GEM thinks a door is open.
To find out which door... Leave the key in the ingntion. Turn to the on position. Even with doors closed, chime sounds once after a few seconds and door ajar light comes on and stays on right? Open each door one by one. The chime should sound each time you open a door. When you find the door that doesn't make the chime sound when you open it, that is the problem. (Don't forget to try the rear hatch and the hatch glass also!) To determine if the switch is bad or if the GEM is having a problem thinking the door is open, just unplug the suspected switch, close all the doors, and see if the problem stops. (don't forget to wait a second to give the lights time to go off) If unplugging the switch solves it, the replace it. If it doesn't, Ford can check your GEM to see if it is the problem.
I hope this helps
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