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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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We have a 2004 chevy tahoe lt. we left the interior lighta

Customer Question

We have a 2004 chevy tahoe lt. we left the interior lighta on and it killed the battery. we had it changed and after we start the vahicle it shuts off in a few seconds
JA: Have you checked the vehicle's manual for this?
Customer: I am currently in my office at work. My wife is at home with our son. Would the anti theft system have anything to do with that?
JA: What is the model of your '04 Chevy?
Customer: LT
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I was going to when I close my office this afternoon
JA: Anything else you think the mechanic should know?
Customer: We have an aftermarket radio and alarm in the vehicle, but its not hooked to the anti theft
Submitted: 10 months ago.
Category: Chevy
Customer: replied 10 months ago.
Does the manufacturer anti theft system have anything to do with that?
Expert:  JOHN aka Eauto replied 10 months ago.

have you tried restarting ? what happens? is the security light on?

Customer: replied 10 months ago.
the security light is on
Customer: replied 10 months ago.
It runs for a few seconds then it shuts off
Expert:  JOHN aka Eauto replied 10 months ago.

youre going to need to attempt a 30 min security relearn

Expert:  JOHN aka Eauto replied 10 months ago.
  1. With a master vehicle key, turn ON the ignition, with the engine OFF.
  2. Observe the security indicator. After approximately 10 minutes, the telltale will turn OFF.
  3. Turn OFF the ignition, and wait 5 seconds.
  4. Repeat steps 1-3 two more times for a total of 3 cycles or 30 minutes.

    Important: The vehicle learns the key transponder information and/or passwords on the ignition switch transition from OFF to RUN. You must turn the ignition OFF before attempting to start the vehicle.

  5. With a master vehicle key, start the vehicle. The vehicle has now learned the key transponder information and/or the ECM has now learned the fuel continue password.
  6. If additional keys are required to be learned, continue to step 7.
  7. With a previously learned master key, turn ON the ignition, with the engine OFF.
  8. Turn OFF the ignition and remove the key.
  9. Within 10 seconds insert the key to be learned. Turn ON the ignition with the engine OFF. The vehicle has now learned the new key.
Expert:  JOHN aka Eauto replied 10 months ago.

this is a 30 minute security relearn and should fix that up for you

Expert:  JOHN aka Eauto replied 10 months ago.

do this and let me know if it fixes that for you