2005 GMC Yukon Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2005 GMC Yukon Denali
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2005 GMC Yukon Denali ProblemsSpeedometer or Other Instrument Panel Gauge May Work Erratically
The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. The warranty has been extended on some of these units to 7 years or 70,000 miles.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
The rear window defogger may stop working due to a wire terminal broken off of the rear glass. Our technicians tell us that terminal can be reattached using a special glue or silver solder.
2005 GMC Yukon Denali Questionsis idling high after changing. the electric throttle body (1 answer)
It will stay on max 80 for 20-30 seconds, then drop to 0 for 10-15 seconds, and keep repeating this pattern. Engine light has come on as well.