Incredible 2006 Gmc Sierra 1500 Reset Check Engine Light References. You guys need to first look at the dtc codes and diagnose correctly. If the check engine light flashes, take your car to a mechanic for a deeper check of the vehicle.

Web reconnect the battery’s negative cable and tighten it with your wrench. Web watch on what is a check engine light? Start the car and idle it for a couple of minutes.