Gmc SIERRA DENALI problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
247 owner complaints analyzed
1 distinct recall campaigns
49,800 mi median reported failure mileage
Scope: 2002 to 2020 model years. Data snapshot: . 210 complaints include usable failure mileage.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 54 of 247 complaints (21.9%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 70 | 28.3% |
| Steering behavior | 29 | 11.7% |
| Transmission and shifting | 20 | 8.1% |
| Engine operation | 8 | 3.2% |
| Electrical and battery issues | 6 | 2.4% |
| Fuel system concerns | 1 | 0.4% |
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 | 54 |
| Service Brakes | 44 |
| Power Train | 27 |
| Steering | 26 |
| Air Bags | 25 |
| Structure:Body | 23 |
| Engine | 21 |
| Electrical System | 14 |
Unknown Or Other: 54; Service Brakes: 44; Power Train: 27; Steering: 26; Air Bags: 25; Structure:Body: 23; Engine: 21; Electrical System: 14
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 55 |
| 25,000 to 49,999 | 53 |
| 50,000 to 74,999 | 43 |
| 75,000 to 99,999 | 35 |
| 100,000 to 149,999 | 20 |
| 150,000 and above | 4 |
Under 25,000: 55; 25,000 to 49,999: 53; 50,000 to 74,999: 43; 75,000 to 99,999: 35; 100,000 to 149,999: 20; 150,000 and above: 4
Under 25,000 miles has the most reports with usable mileage (55). 37 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 |
|---|---|
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2007 | 5 |
| 2008 | 1 |
| 2009 | 3 |
| 2010 | 7 |
| 2011 | 4 |
| 2012 | 6 |
| 2013 | 7 |
| 2014 | 14 |
| 2015 | 10 |
| 2016 | 4 |
| 2017 | 25 |
| 2018 | 26 |
| 2019 | 42 |
| 2020 | 56 |
| 2021 | 14 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 5 |
2004: 1; 2005: 1; 2006: 1; 2007: 5; 2008: 1; 2009: 3; 2010: 7; 2011: 4; 2012: 6; 2013: 7; 2014: 14; 2015: 10; 2016: 4; 2017: 25; 2018: 26; 2019: 42; 2020: 56; 2021: 14; 2022: 3; 2023: 4; 2024: 3; 2025: 5; 2026: 5
Pattern summary
Unknown Or Other leads the component reports. Braking behavior appears in 70 complaint narratives. Steering behavior appears in 29 complaint narratives. Transmission and shifting appears in 20 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 10160176 · 2006-06-19 (June 19, 2006)
VEHICLE HAD SEVERE SYMPTOMS OF NEEDING BRAKE REPLACEMENT AT 32,000 MILES (REARS) AND AGAIN AT 42,000 MILES (FRONTS). A BURNING SMELL COUPLED WITH VERY HOT BRAKE COMPONENTS AND SEVERE PEDAL PULSATION WAS NOTICED. WHEN REPAIRS WERE DONE THE BRAKES WERE FOUND TO BE PREMATURELY WORN OUT AND ALL PARTS SHOWED UNUSUALLY SEVERE RUST DAMAGE. THE BRAKE ROTORS WERE DELAMINATED AND FALLING APART. THE REAR BACKING PLATES, WHICH USUALLY LAST THE LIFE OF THE VEHICLE, HAD HOLES RUSTED THROUGH THEM. THE VALVES WERE SO RUSTED THAT THEY NO LONGER CAN BE USED TO B…
Owner-reported narrative. 32,000 miles reported. Look up ODI 10160176 at NHTSA ↗
Owner report 10188732 · 2007-04-24 (April 24, 2007)
TL* THE CONTACT OWNS A 2002 GMC SIERRA. WHILE DRIVING UNDER 10 MPH, AND APPLYING THE BRAKES THE PEDAL PULSATED AND THE STOPPING DISTANCE INCREASED. THE DEALER STATED THAT FAILURE WAS IDENTICAL TO RECALL #05V379000. HOWEVER, THE CONTACT WAS ADVISED THAT THIS VEHICLE WAS NOT INCLUDED IN THE RECALL DUE TO THE VIN. THE FAILURE MILEAGE WAS 36000. *AK UPDATED 06/06/07 *TR
Owner-reported narrative. 36,000 miles reported. Look up ODI 10188732 at NHTSA ↗
Owner report 10257056 · 2009-01-31 (January 31, 2009)
I PURCHASED A 2002 GMC SIERRA DENALI IN SEPT 2002 NEW FROM A LOCAL DEALER. I AM THE PRIMARY DRIVER AND DO NOT ABUSE THE VEHICLE. I KEEP ALL THE SERVICE WORK UP ON IT THRU THE SELLING DEALER. THE PROBLEM THAT I HAVE IS THAT THE QUDARSTEER CONTROL MODULE WENT OUT AND I CALLED GM FOR A SERVICE REQUEST. GM SET UP AN APPOINTMENT FOR ME WITH THE SELLING DEALER TO CHECK OUT THE PROBLEM. THE DEALERSHIP CHECKED OUT MY TRUCK AND TOLD ME THAT THE QUDRASTEER MODULE WAS BAD AND NEEDED REPLACED. THEY GOT ON THEIRE COMPUTER AND TRIED TO LOCATE A STEERING M…
Owner-reported narrative. 49,800 miles reported. Look up ODI 10257056 at NHTSA ↗
Owner report 11030762 · 2017-10-02 (October 2, 2017)
I DID NOT KNOW ABOUT THIS SITE AND THIS ACCIDENT HAPPENED IN OCT 2014. I WAS GOING AROUND A CURVE WITH 40 MPH SPEED LIMIT AND I WAS GOING 40 MPH. I STARTED TO BRAKE AS THIS WAS DOWNHILL AND A VERY LARGE TRUCK AND I DID NOT WISH TO INCREASE SPEED AS I FOLLOWED THE CURVE. MY BRAKES DID NOT RESPOND AND SANK TO THE FLOOR WITH NO RESISTANCE. I HAD NO STEERING ABILITY EITHER. I ENDED UP IN A HEAD-ON COLLISION WITH A VERY LARGE TREE AND THE AIRBAGS FAILED. I SPLIT MY HEAD OPEN ON THE STEERING WHEEL DESPITE BLOCKING MY FACE WITH MY FOREARMS CROSSED; A…
Owner-reported narrative. Look up ODI 11030762 at NHTSA ↗
Owner report 10611180 · 2014-07-17 (July 17, 2014)
I WAS DRIVING DOWN ROUTE 24 IN LEWES, DELAWARE APPROACHING A YELLOW LIGHT WHEN THE CAR IN FRONT OF ME STOPPED. I APPLIED THE BRAKES AND THEY COMPLETELY FAILED DESPITE PUTTING THE PEDDLE ALL THE WAY TO THE FLOOR. I WAS FORCED TO VEER ONTO THE SHOULDER THEN INTO A FARMERS FIELD IN ORDER TO SLOW THE TRUCK DOWN ENOUGH TO FORCE IT INTO PARK. APPARENTLY THE HYDRAULIC BRAKE LINES ON THESE TRUCKS ARE COMPLETELY EXPOSED TO THE ELEMENTS AND HAVE A HISTORY OF FAILING. ONCE THAT HAPPENS, THE REAR CALIPERS LOCK UP AND THERE ARE NO BRAKES AT ALL SWITCH CAN C…
Owner-reported narrative. 108,000 miles reported. Look up ODI 10611180 at NHTSA ↗
Owner report 10746325 · 2015-08-05 (August 5, 2015)
ON JULY 29, 2015, WHILE DRIVING AT APPROXIMATELY 45 MPH, THE VEHICLE SUDDENLY DOWNSHIFTED ITSELF INTO FIRST GEAR CAUSING THE VEHICLE TO SLOW DOWN SUDDENLY WITH NO NOTICE. I WAS ABLE TO GET THE VEHICLE OFF THE ROAD AND INTO A GAS STATION. AFTER THE FACT THE CHECK ENGINE LIGHT WAS ILLUMINATED. THE VEHICLE WAS TOWED TO THE DEALERSHIP. I WAS TOLD THE TCM (TRANSMISSION CONTROL MODULE) NEEDED REPLACING AND THAT THERE IS A KNOWN ISSUE WITH THIS YEAR TRUCK. THIS IS A VERY DANGEROUS SITUATION TO HAVE YOUR VEHICLE SUDDENLY SLOW DOWN WHILE DRIVING AT…
Owner-reported narrative. 60,000 miles reported. Look up ODI 10746325 at NHTSA ↗
Owner report 10272751 · 2009-06-03 (June 3, 2009)
THE ABS LIGHT CAME ON. SINCE THAT TIME, ON TWO SEPARATE OCCASIONS WHILE TURNING AT SLOW SPEEDS, THE TRUCK HAS STALLED IN AN INTERSECTION. AFTER REVIEWING THE RECALL INFORMATION AND CALLING GM AND OUR DEALERSHIP, NO OPEN RECALLS APPLY TO THE TRUCK. THEY WILL OF COURSE BE HAPPY TO CHARGE US AND MINIMUM OF $101.00 AND MORE TO LOOK AT THE TRUCK AND REPAIR THE PROBLEM. IF THIS IS A RECALL, WHY DOES IT NOT APPLY? *TR
Owner-reported narrative. 145,300 miles reported. Look up ODI 10272751 at NHTSA ↗
Owner report 10551147 · 2013-11-06 (November 6, 2013)
WHEN OPERATING AT LOW SPEEDS,I WOULD TURN THE WHEEL TO LEFT AND STEERING FELT SLUGGISH,FELT LIKE A RUBBING AND FEELS LIKE VEHICLE WOULD STALL. BROUGHT TO LOCAL GARAGE, THEY WERE ABLE TO DUPLICATE PROBLEM BUT HAD SOLUTIONS. THEY CHECKED POWER STEERING PUMP, BRAKE SENSORS, SERPENTINE BELT, FLUIDS...ALL CHECKED OUT FINE. *TR
Owner-reported narrative. 70,000 miles reported. Look up ODI 10551147 at NHTSA ↗
Owner report 10667174 · 2014-12-18 (December 18, 2014)
I WAS DRIVING ON THE HIGHWAY WHEN ALL THE LIGHTS ON THE INSTRUMENT CLUSTER CAME ON AND WENT CRAZY AND SO DID THE RADIO. THE TRUCKS BRAKES LOCKED UP AND CAME TO A COMPLETE STOP. THE TRUCK TURNED OFF AND WHEN I TRIED TO TURN IT BACK ON IT WAS DEAD. OPEN UP THE HOOD AND DISCONNECTED THE BATTERY AND RECONNECTED AND THE TRUCK TURNED ON THIS HAS NOT BEEN THE ONLY TIME IT HAS HAPPEN. *TR
Owner-reported narrative. 91,030 miles reported. Look up ODI 10667174 at NHTSA ↗
Owner report 11033181 · 2017-10-13 (October 13, 2017)
TL* THE CONTACT OWNS A 2015 GMC SIERRA DENALI. THE CONTACT STATED THAT THE VEHICLE EXHIBITED NUMEROUS ELECTRICAL FAILURES. THE FAILURE CAUSED THE STEERING WHEEL TO LOCK, THE BRAKE SYSTEM NOT TO ENGAGE, AND THE INSTRUMENT PANEL AND ALL OTHER ELECTRICAL SYSTEMS IN THE VEHICLE NOT TO OPERATE NORMALLY. THE VEHICLE WAS TAKEN TO MARTY'S BUICK GMC (5 COLLECTION WAY, KINGSTON MA, 02364, [phone removed]) SEVERAL TIMES FOR THE FAILURE. THE CONTACT STATED THAT THE DEALER REPLACED WIRES, BUT THE FAILURE WAS NOT CORRECTED. THE CONTACT DID NOT KNOW THE NAME …
Owner-reported narrative. 15,000 miles reported. Look up ODI 11033181 at NHTSA ↗
Owner report 11296896 · 2020-01-03 (January 3, 2020)
I WAS DRIVING MY TRUCK UP A 6% PERCENT GRADE WHEN THE CHANGE FUEL FILTER SOON WARNING POPPED UP, ABOUT A MINUTE LATER THE VEHICLE STARTED TO LOSE POWER, I KEPT DRIVING TO TRY AND GET OVER THE HILL SO I COULD MAKE IT TO A REPAIR SHOP TO HAVE IT CHECKED OUT. I WAS ONLY ABLE TO MAKE IT ABOUT 2 MILES AFTER THE WARNING SHOWED UP BEFORE THE VEHICLE COMPLETELY SHUT DOWN AND WOULD NOT RESTART. (THERE WAS NOT ENOUGH ROOM ON THE SHOULDER TO PULL OVER ON MY SIDE THE ROAD SO I TRIED TO TURN ACROSS THE HIGHWAY WHERE THERE WAS AN EMERGENCY PULL OUT AND AS I …
Owner-reported narrative. 149,000 miles reported. Look up ODI 11296896 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2004 | 0 |
| 2005 | 1 |
| 2006 | 0 |
| 2007 | 0 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
2004: 0; 2005: 1; 2006: 0; 2007: 0; 2008: 0; 2009: 0; 2010: 0; 2011: 0; 2012: 0; 2013: 0; 2014: 0; 2015: 0; 2016: 0; 2017: 0; 2018: 0; 2019: 0; 2020: 0