GMC Yukon Repair and Maintenance

A guide to problems, costs, maintenance and repair for your GMC Yukon

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GMC Yukon Problems

The Upper Dash May Crack

The upper dash may crack, most commonly on vehicles in warm climates and exposed to a lot of sunlight. The common repair is to replace the upper instrument trim panel. Information on a technical service bulletin or extended warranty is not available at this time.

Reduced Power and Check Engine Light

The GMC Yukon uses a throttle position sensor (TPS) which commonly fails and causes:

This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.

To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced. The most common cause is a faulty TPS.

Inside Door Handles May Break

The inside door handles are prone to breaking.

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GMC Yukon Questions

Shifter will just raise and lower without engaging in any gear (1 answer)

All of a sudden

The dash lights went completely out but not the radio lights. Why? Weird smell? (1 answer)

Smelt like it overheated or something burned out. Then i noticed the PRND12 went dim. Then all the dash lights went completely out. Had a weird feel to the rest of the way home. I knw oil may be a bit low and i need a oil change too.

gas engine. fuel injection. remote start. replaced injectors. remote start. (1 answer)

it runs rough when idling, but runs great when I get going and going down highway. starts great. check engine light keeps coming on. I replaced injectors. replace mass emissions sensor. new fuel pump. new spark plugs and wires. still does it. 2 shops can't figure it out. any ideas....

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GMC Yukon Recalls

Software Defect May Prevent Airbags From Deploying

If the airbag system is in a diagnostic test mode during a crash, the deployment of the frontal airbags and seat belt pretensioners will not occur. Dealers will reflash the system software. In the event the vehicle has had a previous airbag deployment, the airbag sensing and diagnostic module (SDM) will be replaced free of charge. 

Passenger Frontal Air Bag Inflator Ruptures On Deployment

The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator free of charge to resolve the concern.

Passenger Frontal Air Bag Inflator Ruptures On Deployment

The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator free of charge to resolve the concern.

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GMC Yukon Reviews

i have a 1993 yukon 2dr 4wd . its lifted and has 35 inch tires on it and runs great. 189k and counting , not a fan of the ifs system so much as it tends to wear out parts due to big tires way faster than a solid axle setup , but i upgraded all my cv axles and steering components to beef it up when the stock stuff wore out so shoud be good. plenty of room easy to work on and cheap parts , cant a...
2003 Yukon SLT. About 3 months ago my "low coolant warning" signal came on. So I took the truck in, they topped it over and said to just monitor it till I brang the truck back in a few weeks to do my routine oil change. A month later, sensor went off again. So I took it in to do a pressure test. They said the test came back okay, but that most of the liquid in my reservoir was water. So I had t...
2006 GMC SLT love this truck no problems rides very nice, wish i could buy a new one. best truck for 10k, can't get enough of driving this truck

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