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.
2010 Chevrolet Avalanche Problem Reports
Most Reported 2010 Chevrolet Avalanche Problem Reports
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Illumination of the Check Engine Light can be caused by a loose or worn gas cap.