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Why does my GMC have a fault code?

Why does my GMC have a fault code?

Once you locate the battery, the method for clearing the code is the same, regardless of the year, make or model of GMC vehicle. Fault codes can be set off in a vehicle for a variety of reasons, ranging from a loose gas cap to a major mechanical problem.

Where is the Check Engine light on a GMC?

Start the vehicle and verify that the check-engine light no longer is on. The location of the hood release under the dashboard and the hood release under the hood varies by GMC make and model. Consult your owner’s manual if you have trouble finding them. The vehicle should always be turned off when working with the battery.

Where is the negative battery on a GMC?

Locate the battery. The location depends on the make, model and year, but it will be in one of the four corners of the engine bay. Put the adjustable wrench on the bolt that holds the negative battery clamp on the negative battery terminal. Loosen the bolt, and remove the clamp. Hold the negative battery clamp and wait for one minute.

Why is my GMC Duramax not 4 wheel drive?

Upon restarting the truck I noticed that while starting it all the led lights on the 4wd push buttons came on never noticed that before but honestly never looked at the buttons while starting the truck.The lights then go out and the led on the 2wd stays lit. I attempted to push the 4hi button and it appears as if the truck is not going into 4wd.

What are the warning lights on my GMC?

What follows is easily the most complete list available of symbols and warnings that may appear in and on your car’s dashboard or instrument cluster. The following are warning lights and indicators found in vehicles built by GMC.

What’s the problem with my GMC 2500 4WD?

I have ’03 gmc 2500 4wd dmax. svc 4wd light keeps coming on, check engine lt comes on and off. trsnfr case switch 2wd/4wd/4low sometimes switches to neutral, 4wd or 4 low and still actually in 2wd. sometimes when it is shut off for a while, it will clear up. has anyone figured out what is really going wrong and what to do?

Why does my GMC Duramax have reduced engine power?

It keeps getting a “reduced engine power” message on the dash, then it doesn’t have any power, its like putting a brick under the gas pedal. I have went to the dealer and they cleared the code so they could try to duplicate the code, which it never came back for them.

What was the code name for the Duramax in 2011?

In an effort to keep up with the ever-tightening emission regulations, GM redesigned its Duramax for the 2011 model year, and this time the code name was LML.

Is there a service exhaust system warning in 2016 GMC 2500?

Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 2016 GMC 2500-had in service garage 3 different times to check error message”Service Exhaust System”. DEF fluid is full and no warning for low levels.

What follows is easily the most complete list available of symbols and warnings that may appear in and on your car’s dashboard or instrument cluster. The following are warning lights and indicators found in vehicles built by GMC.

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Ruth Doyle