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Problems for specific GMC Sierra Denali years:

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Most reported 2008 GMC Sierra Denali problems

 

Verified for the GMC Sierra Denali

A poor electrical ground under the battery tray may cause the ABS warning light to illuminate. Our technicians tell us that cleaning and properly securing this ground and also the main ABS ground on the frame rail below the drivers door may be necessary.

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Verified for the GMC Sierra Denali

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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Verified for the GMC Sierra Denali

The keyless entry system may stop working. Our technicians tell us the key fobs and keyless entry receiver may need to be replaced to correct this fault.

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