GMC Yukon XL Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC Yukon XL Denali
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GMC Yukon XL Denali ProblemsHeating and AC Temperature and Air Delivery Mode Door Actuators May Fail
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
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.
The CD player may fail due to an internal fault with the radio. Our technicians tell us that in most cases, the radio unit will need to be sent to a specialty repair shop to correct this issue.
GMC Yukon XL Denali Questionshad to unlock door with key and found no power to vehicle at all inside either (1 answer)
nothing lights up when turning on key no power to do anything
Body type code?
GMC Yukon XL Denali RecallsPassenger 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.
The roof rail air bags may be punctured or torn by the roof carrier hardware during deployment due to being installed without proper reinforcements where they mount. Dealers will replace the roof carrier attaching hardware free of charge to resolve the concern.
The heated washer module under the hood could overheat due to excessive current draw. Under certain conditions, this could result in an under hood fire. This previous recall attempt in 2008 to repair this concern did not have the expected success. Dealers will now permanently disable and remove the heated washer module to correct this concern. This recall is expected to begin on June 20, 2010.