I have a 2006 trailblazer 4.2.

Asked by Mark Nov 21, 2020 at 03:42 PM about the 2006 Chevrolet Trailblazer LT RWD

Question type: General

There is a light that comes on with the lock to it it shuts
down the motor of my car then I can start right back up
when I put it in neutral if I was right back up and doesn't a
few minutes later it shuts down the engine again it's like a
car symbol with a lock in it but the truck never had a key
with a chip in it

2 Answers
155,265

james answered 3 years ago

That's a security system problem that needs to be repaired by your local Chevrolet Dealer. Hope that helps! Jim

1 people found this helpful.
Mark helpful
11,255

FJ4072 answered 3 years ago

Try a security relearn. A Case relearn needs be done by dealer. Just copying and pasting instructions. 1. Attempt to start the truck by turning the key to the Start/Run position. Try to crank the vehicle. 2. Observe that the vehicle fails to start and the security light is illuminated. 3. Release key to the ON/RUN position (not the ACC position or OFF) 4. Allow the vehicle to sit with key in the ON/RUN position for no less than 11 minutes. Security light will turn off after this. 5. When the light goes off, turn key to OFF position and allow the vehicle to remain in the OFF position for no less than 30 seconds. 6. Repeat #1-#5 for four cycles or until vehicle starts.

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