can i reset the security light on my dash the truck will start but wont stay runnung

Asked by May 03, 2017 at 04:33 PM about the 2005 Chevrolet Colorado Z71 LS RWD

Question type: Maintenance & Repair

2 Answers


There may be other issues other than the security system. Does the light stay on? and go off when starting?


Here is how to reset the security system...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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