Please pardon the vanity, but having non-mechanical trouble with a 1999 Bravada and am trying to find a fix. A lot of GM vehicles from the late 90s and early 00s have a built-in anti-theft security system called Passlock or Passlock2. When a problem with this system occurs, you may not be able to start your car again for 30-60 minutes (the car's computer essentially thinks a thief is trying to steal the car). The cost to fix this problem is not exactly easy or cheap, so I figured I would ask if anyone else here has had a similar...