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U.S. public vehicle records

2015 Gmc SIERRA 3500 problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

31 owner complaints analyzed

7 distinct recall campaigns

38,500 mi median reported failure mileage

Scope: 2015 model year. Data snapshot: . 22 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Exterior Lighting is the most frequently named component, appearing in 6 of 31 complaints (19.4%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Braking behavior825.8%
Electrical and battery issues39.7%
Fuel system concerns39.7%
Engine operation26.5%
Steering behavior26.5%
Transmission and shifting13.2%

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.

Exterior Lighting
6
Electrical System
4
Engine
4
Air Bags
3
Service Brakes
3
Steering
3
Unknown Or Other
3
Fuel/Propulsion System
2
Component breakdown data
CategoryCount
Exterior Lighting6
Electrical System4
Engine4
Air Bags3
Service Brakes3
Steering3
Unknown Or Other3
Fuel/Propulsion System2

Exterior Lighting: 6; Electrical System: 4; Engine: 4; Air Bags: 3; Service Brakes: 3; Steering: 3; Unknown Or Other: 3; Fuel/Propulsion System: 2

Reported problems by failure mileage

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

Under 25,000
7
25,000 to 49,999
7
50,000 to 74,999
3
75,000 to 99,999
1
100,000 to 149,999
3
150,000 and above
1
Reported problems by failure mileage data
CategoryCount
Under 25,0007
25,000 to 49,9997
50,000 to 74,9993
75,000 to 99,9991
100,000 to 149,9993
150,000 and above1

Under 25,000: 7; 25,000 to 49,999: 7; 50,000 to 74,999: 3; 75,000 to 99,999: 1; 100,000 to 149,999: 3; 150,000 and above: 1

Under 25,000 miles has the most reports with usable mileage (7). 9 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.

2015
4
2016
1
2017
7
2018
2
2019
3
2020
3
2021
3
2022
4
2024
2
2025
1
2026
1
Complaints over time data
CategoryCount
20154
20161
20177
20182
20193
20203
20213
20224
20242
20251
20261

2015: 4; 2016: 1; 2017: 7; 2018: 2; 2019: 3; 2020: 3; 2021: 3; 2022: 4; 2024: 2; 2025: 1; 2026: 1

Pattern summary

Exterior Lighting leads the component reports. Braking behavior appears in 8 complaint narratives. Electrical and battery issues appears in 3 complaint narratives. Fuel system concerns appears in 3 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 10747961 · 2015-08-11 (August 11, 2015)

1ST INCIDENT VEH DIDN'T SWITCH FROM 4 TO 2WD, STOP VEH, WORK SWITCH, WENT TO 2WD. SAME TIME DRIVER SEAT WENT FULL FORWARD, SEAT BACK FULL FORWARD, BRAKE PEDAL FULL TOWARDS DRIVER. ABLE TO READJUST, ONSTAR SAID VARIOUS ELECTRICAL - BELIEVE MODULES- PROBLEM. WAS ABLE TO DRIVE, TOOK TO DEALER, UNABLE TO REPLICATE. FEW MONTHS LATER ADJUSTED GAIN ON ELECTRIC TRAILER BRAKE CONTROL - WHILE IN MOTION. SAME PROPLEM, SEAT AND SEAT BACK FULL FORWARD, BRAKE PEDAL FULL TOWARDS DRIVER. LUCKILY I KNEW WHAT WAS HAPPENING AND WASN'T STARTLED. 4WD CONTROL @ …

Owner-reported narrative. 9,000 miles reported. Look up ODI 10747961 at NHTSA ↗

Owner report 10991153 · 2017-05-23 (May 23, 2017)

THIS VEHICLE HAS HAD NUMEROUS ELECTRICAL ISSUE FROM THE FIRST FEW MONTHS OF OWNERSHIP. THE TRAILER BRAKE SYSTEM FAILED AND WAS REPLACED ON OCTOBER 2014. THE VEHICLE HAS HAD MANY RECALLS THAT HAVE BEEN CORRECTED BY OWNER AND SERVICE PROVIDER. THE SECOND SUMMER OF OWNERSHIP THE VEHICLE HAD RADIATOR ISSUES, AND MOST RECENTLY ELECTRICAL ISSUES AGAIN AND TRANSMISSION ISSUES. WHILE DRIVING THE VEHICLE ELECTRICAL DASHBOARD GOES INTO A FLICKER AND SHUTS DOWN. GMC WAS ABLE TO FIX THIS ISSUE AT THE OWNERS COST WITH THE VEHICLE BEING OUT OF SERVICE FOR 3 …

Owner-reported narrative. 50,000 miles reported. Look up ODI 10991153 at NHTSA ↗

Owner report 11209541 · 2019-05-23 (May 23, 2019)

I WAS TRAVELING ON A BUSY ROADWAY AT 40 MPH WHEN FUEL FILTER WARNING LIGHT CAME ON SUDDENLY AND VEHICLE LOST ALL POWER - INCLUDING THE LOSS OF POWER STEERING AND POWER BRAKING. THANKFULLY I HAD NOT YET ENTERED THE HIGHWAY AND WAS ABLE TO SLOW VEHICLE DOWN BUT WITH GREAT DIFFICULTY AND NOT INJURE ANYONE AROUND AND THAT DAY WAS NOT TOWING A LOAD. VEHICLE WOULD NOT RESTART. I HAD IT TOWED TO NEAREST DEALERSHIP WHO THEN INFORMED ME THAT THE "BOSCH CP4 FUEL PUMP" HAD EXPLODED SENDING METAL SHRAPNEL THROUGHOUT THE ENTIRE ENGINES FUEL SYSTEM. THE O…

Owner-reported narrative. 103,000 miles reported. Look up ODI 11209541 at NHTSA ↗

Owner report 11414587 · 2021-04-30 (April 30, 2021)

I SEE THERE WAS A RECALL FROM GM #17399 FOR THE 2015 DUAL FUEL TANK SENDING UNIT PROBLEM. THIS IS ONLY FOR THE 6.0 L GAS ENGINE. I HAVE THE DURAMAX 6.6L ENGINE IN MINE. I HAD THE SAME PROBLEM WITH MINE. THE SENDING UNIT DID NOT TURN OFF THE TRANSFER PUMP AND OVERFILLED THE FRONT TANK CAUSING FUEL TO POUR OUT ALL OVER THE ROAD. I CAUGHT IT BEFORE THE DRIVE LINE CAUSED ANY DAMAGE. I HAD IT TOWED TO THE DEALER AND WHILE WE MOVED IT TO PULL IT UP ON THE TOW TRUCK IT WAS PUSHING FUEL OUT OF THE FILLER NECK OF THE FRONT TANK. THE DEALER SHIP REF…

Owner-reported narrative. 90,665 miles reported. Look up ODI 11414587 at NHTSA ↗

Owner report 11325288 · 2020-05-20 (May 20, 2020)

TL* THE CONTACT OWNS A 2015 GMC SIERRA 3500. THE CONTACT STATED HER HUSBAND WAS DRIVING AT 20-30 MPH AND HAULING A TRAILER, THE DRIVER ENTERED THE HIGHWAY, MADE A RIGHT TURN AND THE VEHICLE LOSS OF POWER STEERING ASSIST AND BECAME DIFFICULT TO STEER. THE VEHICLE WAS TOWED TO CAVENDER BUICK GMC WEST (7400 TX-1604 LOOP, SAN ANTONIO, TX 78254) TO BE DIAGNOSED. THE DRIVER WAS INFORMED THAT THE POWER STEERING NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT REFERENCED THE FAILURE TO (NHTSA CAMPAIGN NUMBER: 14V719000 (STEERING) HOWEVE…

Owner-reported narrative. 33,000 miles reported. Look up ODI 11325288 at NHTSA ↗