2009 Gmc YUKON DENALI XL problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
22 owner complaints analyzed
0 distinct recall campaigns
72,100 mi median reported failure mileage
Scope: 2009 model year. Data snapshot: . 16 complaints include usable failure mileage.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 8 of 22 complaints (36.4%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 3 | 13.6% |
| Engine operation | 1 | 4.5% |
| Electrical and battery issues | 1 | 4.5% |
| Steering behavior | 1 | 4.5% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Unknown Or Other | 8 |
| Air Bags | 7 |
| Electrical System | 3 |
| Engine | 3 |
| Latches/Locks/Linkages | 3 |
| Structure:Body | 3 |
| Power Train | 1 |
| Service Brakes | 1 |
Unknown Or Other: 8; Air Bags: 7; Electrical System: 3; Engine: 3; Latches/Locks/Linkages: 3; Structure:Body: 3; Power Train: 1; Service Brakes: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 3 |
| 50,000 to 74,999 | 5 |
| 75,000 to 99,999 | 3 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 2 |
Under 25,000: 1; 25,000 to 49,999: 3; 50,000 to 74,999: 5; 75,000 to 99,999: 3; 100,000 to 149,999: 2; 150,000 and above: 2
50,000 to 74,999 miles has the most reports with usable mileage (5). 6 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 4 |
| 2021 | 1 |
2012: 1; 2013: 2; 2014: 1; 2015: 3; 2016: 4; 2017: 6; 2018: 4; 2021: 1
Pattern summary
Unknown Or Other leads the component reports. Braking behavior appears in 3 complaint narratives. Engine operation appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10504805 · 2013-03-28 (March 28, 2013)
DRIVING AT ROUGHLY 50 MPH. WENT TO PASS CAR ON TWO LANE HIGHWAY. ACCELERATOR STUCK TO FLOOR (NOT STUCK ON FLOOR MAT OR OTHER OBJECT). VEHICLE ACCELERATED TO 95 MPH, SLOWED TO 70 WITH BRAKE DEPRESSED FULLY. SLOWED TO 50 WITH BRAKE AND EMERGENCY BRAKE DEPRESSED. ACCELERATED WHEN DOWNSHIFTED INTO MANUAL. FINALLY PUT IN NEUTRAL AND WAS ABLE TO STOP. HAD COMPLAINED OF ROUGH IDLE, STALLING AND REDUCED POWER FOR 3 YEARS (SINCE WE HAD CAR FOR ONLY A FEW MONTHS). SEE SOME DISCUSSION THAT A DIRTY THROTTLE BODY COULD LEAD TO ALL OF THESE PROBLEMS. 3 YEARS…
Owner-reported narrative. 40,000 miles reported. Look up ODI 10504805 at NHTSA ↗
Owner report 11002421 · 2017-06-29 (June 29, 2017)
I WAS DRIVING ON THE HIGHWAY AND ALL OF A SUDDEN A MESSAGE ON THE DASHBOARD SAID ''ENGINE POWER IS REDUCED" AND MY ENGINE SHUT OFF, BRAKES WERE HARDLY WORKING AND I COULD HARDLY STEER OR TURN THE WHEELS. MY CAR COPMLETLY LOST CONTROL AND I WAS LUCKY THERE WERE NO CARS BY ME OTHERWISE AN ACCIDENT WOULD HAVE BEEN INEVITABLE. WHEN I WENT TO THE DEALER THEY TOLD ME THEY HAVE NO ANSWER AND THEY SUGGESTED TO REPLACE MY IGNITION SWITCH AND CAMSHAFT SENSOR TO BEGIN WITH. NO GUARANTY THAT IT'LL FIX MY PROBLEM THEY SAID. READING ONLINE FORUMS LOOKS LI…
Owner-reported narrative. 230,000 miles reported. Look up ODI 11002421 at NHTSA ↗
Owner report 10761089 · 2015-09-02 (September 2, 2015)
WE HAVE HAD THIS VEHICLE FOR THREE YEARS. ROUGHLY EVERY 3 MONTHS IT WILL HAVE ERRATIC ELECTRICAL SHORTS AND MOST COMMONLY THE CAR WILL NOT START BECAUSE THE BATTERY IS DEAD. SOMETIME THE SHORTS HAPPEN WHILE WE ARE DRIVING. WHEN THIS HAPPENS THE RADIO/NAVIGATION SYSTEM TURNS OFF AND ON, THE DASHBOARD DISPLAY FLASHES OFF AND ON, THE POWER DOOR LOCKS GO UP AND DOWN. ON A FEW OCCASIONS THE AIR CONDITIONING HAS SWITCHED OVER TO HEAT ONLY WHILE THE BLOWER CONTINUED AS BEFORE. ON A FEW OCCASIONS THIS HAS HAPPENED WHILE DRIVING AND THE ELECTRICAL …
Owner-reported narrative. 40,000 miles reported. Look up ODI 10761089 at NHTSA ↗
Owner report 10892106 · 2016-08-01 (August 1, 2016)
TL* TAKATA RECALL. THE CONTACT OWNED A 2009 GMC YUKON DENALI XL. THE CONTACT STATED THAT WHILE MAKING A LEFT TURN DRIVING AT 40 MPH, ANOTHER VEHICLE CAME ACROSS THE DRIVERS PATH AND CRASH DIRECTLY HEAD ON INTO THE DRIVERS VEHICLE. NONE OF THE AIR BAGS DEPLOYED. THE STEERING WHEEL FRACTURED AND THE VEHICLE WAS DESTROYED. NO POLICE REPORT WAS FILED. THE DRIVER SUSTAINED WHIP LASH AS WELL AS THE TWO CHILD PASSENGERS BUT MEDICAL TREATMENT WAS NOT RECEIVED. THE VEHICLE WAS TOWED TO A YARD AND THE INSURANCE COMPANY WAS TO INSPECT THE DAMAGES. THE CON…
Owner-reported narrative. Look up ODI 10892106 at NHTSA ↗