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Fix the cause of the light coming on and the light will reset itself within a few drive cycles.
2008 Chevy cobalt tpms reset
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How do I reset the service engine light on a 2003 Chevy Trailblazer?
First you must fix the problem that caused the light to be set. You can try to reset the light by disconnecting the negative battery cable for five minutes. If that does not work you will need an 0BD2 scanner in order to reset the light.
How do you reset check engine light for the 2009 Chevy trail blazer?
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.
It requires an engine scanner to do that.
disconnect the battery for five minutes, It will reset
To reset the check engine light unplug the battery for 30 minutes. If the issues still persists the light will still light up when reattached.
That REQUIRES an ENGINE SCANNER to do that.