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U.S. public vehicle records

2017 Gmc SIERRA DENALI problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

14 owner complaints analyzed

0 distinct recall campaigns

55,900 mi median reported failure mileage

Scope: 2017 model year. Data snapshot: . 10 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Unknown Or Other is the most frequently named component, appearing in 3 of 14 complaints (21.4%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Transmission and shifting321.4%
Engine operation17.1%
Electrical and battery issues17.1%
Steering behavior17.1%

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.

Unknown Or Other
3
Engine
2
Power Train
2
Air Bags
1
Engine And Engine Cooling
1
Equipment
1
Exterior Lighting:Tail Lights
1
Power Train:Automatic Transmission
1
Component breakdown data
CategoryCount
Unknown Or Other3
Engine2
Power Train2
Air Bags1
Engine And Engine Cooling1
Equipment1
Exterior Lighting:Tail Lights1
Power Train:Automatic Transmission1

Unknown Or Other: 3; Engine: 2; Power Train: 2; Air Bags: 1; Engine And Engine Cooling: 1; Equipment: 1; Exterior Lighting:Tail Lights: 1; Power Train:Automatic Transmission: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
2
25,000 to 49,999
2
50,000 to 74,999
2
75,000 to 99,999
1
100,000 to 149,999
2
150,000 and above
1
Reported problems by failure mileage data
CategoryCount
Under 25,0002
25,000 to 49,9992
50,000 to 74,9992
75,000 to 99,9991
100,000 to 149,9992
150,000 and above1

Under 25,000: 2; 25,000 to 49,999: 2; 50,000 to 74,999: 2; 75,000 to 99,999: 1; 100,000 to 149,999: 2; 150,000 and above: 1

Under 25,000 miles has the most reports with usable mileage (2). 4 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.

2017
1
2020
5
2021
3
2022
1
2024
1
2025
1
2026
2
Complaints over time data
CategoryCount
20171
20205
20213
20221
20241
20251
20262

2017: 1; 2020: 5; 2021: 3; 2022: 1; 2024: 1; 2025: 1; 2026: 2

Pattern summary

Unknown Or Other leads the component reports. Transmission and shifting 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 11331959 · 2020-07-01 (July 1, 2020)

HARSH DOWNSHIFT INTERMITTENT BETWEEN 20 AND 30 MPH. BINDING/CLUNKING AT LOW SPEEDS WHEN DOWNSHIFTING INTO FIRST OR UP SHIFTING INTO 2. TRANSMISSION SHUDDER WHEN ACCELERATING IN FIRST GEAR. VEHICLE LUNGES FORWARD INTERMITTENTLY AT LOW SPEEDS WHEN SHIFTING.

Owner-reported narrative. 42,300 miles reported. Look up ODI 11331959 at NHTSA ↗

Owner report 11364221 · 2020-10-13 (October 13, 2020)

WHILE DRIVING MY GMC SIERRA DENALI THE TRANSMISSION SHUDDERS REALLY BAD. I HAVE A 2017 WITH JUST 13,200 MILES ON IT. I WAS PULLING MY BASS BOAT AND THE SHURDDER WAS SO BAD MY DASH WAS SHAKING AND THE STEERING WHEEL WAS ALSO .I HAVE HAD THE FLUID CHANGED AT THE DEALERSHIP AND IT SHIFTED FINE AND DID NOT SHUDDER UNTIL IT REACHED AROUND 1000 MILES AFTER FLUID CHANGE AND IT IS DOING IT WORSE NOW THAN BEFORE. I TOOK IT TO THE DEALER CLOSE TO ME AND THEY INFORMED ME TODAY THEY WERE GOING TO DO NOTHING AND THEY TOLD ME TO TAKE IT BACK TO THE DEALER I …

Owner-reported narrative. 13,200 miles reported. Look up ODI 11364221 at NHTSA ↗

Owner report 11723074 · 2026-03-09 (March 9, 2026)

The contact owns a 2017 GMC Sierra Denali. The contact stated that while driving on the highway at an undisclosed speed, the vehicle jerked, failed to accelerate, and stalled. The vehicle was unable to shift into third gear. The check engine warning light was illuminated. The vehicle was drivable and was taken to the dealer. The vehicle was diagnosed with a wiring harness failure on the transmission. The vehicle was repaired based on the diagnostic test but failed to fix the vehicle. The vehicle was parked at the residence and was undrivable. T…

Owner-reported narrative. 103,000 miles reported. Look up ODI 11723074 at NHTSA ↗