2012 GMC Yukon Denali Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2012 GMC Yukon Denali

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2012 GMC Yukon Denali 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 Denali 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/Outside Door Handles May Break

The inside and outside door handles are prone to breaking.

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