How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask ironmike Your Own Question
ironmike, ASE Master Tech
Category: GM
Satisfied Customers: 3377
Experience:  30 years L1, GM certified
Type Your GM Question Here...
ironmike is online now
A new question is answered every 9 seconds

Pass the passlock system on 2005 gmc canyon or how can I fix it?

This answer was rated:

how do i by pass the passlock system on 2005 gmc canyon or how can I fix it?


What is wrong, no start, no key fobs working, light on?

Customer: replied 6 years ago.
it won't start I have to wait ten minutes for it to reset

the components of the Passlock(TM) system are :

  • The ignition switch
  • The body control module (BCM)
  • The security indicator on the instrument cluster
  • The engine control module (ECM)

the key has a value the sensor in the ignition cylinder sends to the bcm, once verified the bcm sends a signal to the pcm to enable to fuel.

you might try a new key but if any other parts are needed they will need to be programmed in. Complicated system, I would take it to a GM dealer so you don't have to guess. With out the Tech2 or GM mdi system almost impossible to diagnose.

No way to bypassthat I know of.

good luck


Customer: replied 6 years ago.
are you saying the key maybe chipped?
soemtimes the keys are damaged and the sensor can't pick them up. Most people have a second and that is where we start. Try your other key and then we get into the scanner and tests.
ironmike and 3 other GM Specialists are ready to help you

Related GM Questions