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Carhelp4u, ASE Certified Tech
Category: GM
Satisfied Customers: 5203
Experience:  ASE Certification
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gmc canyon: ignition switch,wont start. security lite flashing

Customer Question

Aloha; I have a 05' gmc canyon .changed ignition switch,won't start. security lite flashing,how do I reset?
Submitted: 7 years ago.
Category: GM
Expert:  Carhelp4u replied 7 years ago.

There is a 30 minute relearn in which you will need no tools to reset this system. Here is how this is done, feel free to contact me with any questions! Good luck!

  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to start the engine, then release the key to ON, vehicle will not start.
  3. Observe the SECURITY telltale. After approximately 10 minutes, the telltale will turn OFF.
  4. Turn OFF the ignition, and wait 5 seconds.
  5. Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes. The vehicle is now ready to relearn the Passlock Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK.

    Important: The vehicle learns the password XXXXX the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.

  6. Start the engine.
Carhelp4u and 4 other GM Specialists are ready to help you
Customer: replied 7 years ago.
Aloha and much Mahalo, XXXXX XXXXX me nuts,Joe
Expert:  Carhelp4u replied 7 years ago.
Good luck to you! Thanks for using!