2014 Gmc SIERRA DENALI: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
14 owner complaints analyzed
0 distinct recall campaigns
59,496 mi median reported failure mileage
Scope: 2014 model year. Data snapshot: . 13 complaints include usable failure mileage.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 4 of 14 complaints (28.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 5 | 35.7% |
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 | 4 |
| Service Brakes | 3 |
| Air Bags | 2 |
| Structure:Body | 2 |
| Engine | 1 |
| Exterior Lighting | 1 |
| Fuel/Propulsion System | 1 |
| Power Train | 1 |
Unknown Or Other: 4; Service Brakes: 3; Air Bags: 2; Structure:Body: 2; Engine: 1; Exterior Lighting: 1; Fuel/Propulsion System: 1; Power Train: 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 | 2 |
| 25,000 to 49,999 | 3 |
| 50,000 to 74,999 | 5 |
| 75,000 to 99,999 | 2 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 3; 50,000 to 74,999: 5; 75,000 to 99,999: 2; 100,000 to 149,999: 1; 150,000 and above: 0
50,000 to 74,999 miles has the most reports with usable mileage (5). 1 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 |
|---|---|
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 1 |
2017: 2; 2018: 4; 2019: 4; 2020: 3; 2021: 1
Pattern summary
Unknown Or Other leads the component reports. Braking behavior appears in 5 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.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11012225 · 2017-08-01 (August 1, 2017)
CHROME WHEEL CORROSION. CRITICAL LOCATION AROUND VALVE STEM CREATING AIR LEAK IN VALVE STEM. COULD CREATE LOW ENOUGH PRESSURE TO EFFECT HANDLING IN EMERGENCY SITUATION. LUCKILY MINE WAS A SLOW LEAK, BUT THE ONLY FIX IS WHEEL REPLACEMENT AT EXTREME COST AND A LENGTHY REPLACEMENT PROCESS LEAVING THE OWNER WITH CHOICE OF UNSAFE USE, OR LOSING USE OF THE VEHICLE DURING THE PROCESS. INITIAL FIRST AID WAS TO CLEAN THE STEM HOLE OF CORROSION, USE A SEALANT AROUND THE NEW VALVE STEM, WITH NO GUARANTEE OF A SAFE FIX AND AN UPCOMING 2 WEEK TRIP TO UPPE…
Owner-reported narrative. 49,850 miles reported. Look up ODI 11012225 at NHTSA ↗
Owner report 11041659 · 2017-10-31 (October 31, 2017)
WHILE DETAILING MY TRUCK ON OCTOBER 30, 2017 I DISCOVERED A CRACK ON THE DASH ABOUT AN INCH AND A HALF LONG RUNNING FROM THE TOP LEFT OF THE AIRBAG COVER TOWARDS THE DEFROSTER VENT . TOOK THE VEHICLE IN FOR SERVICING ON OCTOBER 31, 2017 AND THEY STATED TO CONTACT GMC CARES THAT THEY WERE FAMILIAR WITH THIS KIND OF PROBLEM. I CALLED GMC THEY STATED THEY WERE UNAWARE OF THIS PROBLEM ON MY MAKE AND MODEL TRUCK. THEY STATED THAT I NEEDED TO CONTACT THE DEALER AND HAVE THE DEALER CONTACT GMC. THE DEALER TOLD ME TO CONTACT GMC. AFTER DOING A QUICK SE…
Owner-reported narrative. 59,496 miles reported. Look up ODI 11041659 at NHTSA ↗
Owner report 11073551 · 2018-02-19 (February 19, 2018)
MY TRUCK IS SHAKING AT SPEEDS 65+MPH. I RECENTLY HAD MY FRONT END ALLIGNED AND TIRES REBALANCED STILL THE SAME SHAKING IS OCCURING. IT IS TO THE POINT THAT IT IS UNCOMFORTABLE TO DRIVE AND DANGEROUS.
Owner-reported narrative. 55,000 miles reported. Look up ODI 11073551 at NHTSA ↗
Owner report 11078597 · 2018-03-11 (March 11, 2018)
DASH CRACKED AT LESS THAN 26000 MILES 4 YEARS OLD
Owner-reported narrative. 26,000 miles reported. Look up ODI 11078597 at NHTSA ↗
Owner report 11118585 · 2018-08-08 (August 8, 2018)
I STARTED MY TRUCK AND NOTICED A HEAVY SMELL OF GASOLINE COMING FROM THE HVAC VENTS. I STEPPED OUT OF THE VEHICLE AND NOTICED A LARGE PUDDLE OF (FUEL) GASOLINE ON THE PAVEMENT AND A CONSTANT DRIP OF (FUEL) GASOLINE COMING FROM THE REAR OF THE MOTOR. I PROCEEDED TO TURN THE VEHICLE OFF AND CONTACT MY LOCAL GM DEALER FOR ASSISTANCE.
Owner-reported narrative. 78,000 miles reported. Look up ODI 11118585 at NHTSA ↗
Owner report 11118976 · 2018-08-10 (August 10, 2018)
AC CONDENSER SYSTEM FAILURE, LEAKS; MANY GM OWNERS ARE REPORTING THIS SAME EXACT ISSUE.
Owner-reported narrative. 65,000 miles reported. Look up ODI 11118976 at NHTSA ↗
Owner report 11170676 · 2019-01-17 (January 17, 2019)
VACUUM PUMP FAILURE WAS NOTICED WHEN PARALLEL PARKING. AFTER HITTING BRAKE SEVERAL TIMES THEY STOPPED WORKING. TOOK EXCESSIVE AMOUNT OF FORCE TO STOP VEHICLE.
Owner-reported narrative. 46,000 miles reported. Look up ODI 11170676 at NHTSA ↗
Owner report 11187199 · 2019-03-16 (March 16, 2019)
IF THE BRAKES ARE PUMPED 2-3 TIMES THE PEDDLE WILL BECOME REALLY FIRM AND HARD TO PRESS. WHEN THIS OCCURS THE TRUCK WILL NOT STOP. YOU HAVE TO STAND ON THE BRAKE PEDAL WITH BOTH FEET TO GET THE TRUCK TO STOP. PRETTY UNNERVING FOR A 75K MIKE TRUCK STILL UNDER DRIVETRAIN WARRANTY BUT NOT COVERED. I USE THIS TRUCK FOR WORK AND HAULING MY KIDS. I DON'T LIKE HAVING MY KIDS IN THIS VEHICLE!
Owner-reported narrative. 70,000 miles reported. Look up ODI 11187199 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.