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If the warning lights go off in a Chevy Tahoe, it indicates a problem. In order to reset these lights the problem must be solved.
THE EASIEST WAY TO DO IT YOURSELF IS TO UNHOOK THE BATTERY. iF YOU DO HAVE A PROBLEM THOUGH, THE LIGHT WILL COME BACK ON.
How do I reset the service engine light on a 2003 Chevy Trailblazer?
How do you reset check engine light for the 2009 Chevy trail blazer?
Try turning the key to "on" position without engine running and push accelerator to the floor 6 times
A person can reset the service engine light in a 1998 Tahoe by disconnecting the battery cables for 1 minute. After the battery cables are reconnected, the light should turn itself off.
Clear all PCM codes.
You can either bring it in to a Chevy dealer or use a programmer/tuner to reset the check engine light.
I reset the check engine light on my jeep by disconnecting it from the battery.
Turn key on ( do not start ) then push the gas pedal all the way down 3 times and then turn key off and then start the engine.
Write the date and mileage on a small sticker and cover the light with it.
It requires an engine scanner to do that.