2015 Gmc SIERRA 2500 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
89 owner complaints analyzed
6 distinct recall campaigns
37,023 mi median reported failure mileage
Scope: 2015 model year. Data snapshot: . 57 complaints include usable failure mileage.
Most common problems
Exterior Lighting is the most frequently named component, appearing in 26 of 89 complaints (29.2%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 10 | 11.2% |
| Fuel system concerns | 9 | 10.1% |
| Steering behavior | 8 | 9.0% |
| Transmission and shifting | 6 | 6.7% |
| Electrical and battery issues | 5 | 5.6% |
| Engine operation | 3 | 3.4% |
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 |
|---|---|
| Exterior Lighting | 26 |
| Electrical System | 10 |
| Fuel/Propulsion System | 10 |
| Power Train | 8 |
| Unknown Or Other | 8 |
| Engine | 7 |
| Service Brakes | 5 |
| Steering | 4 |
Exterior Lighting: 26; Electrical System: 10; Fuel/Propulsion System: 10; Power Train: 8; Unknown Or Other: 8; Engine: 7; Service Brakes: 5; Steering: 4
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 24 |
| 25,000 to 49,999 | 9 |
| 50,000 to 74,999 | 5 |
| 75,000 to 99,999 | 4 |
| 100,000 to 149,999 | 13 |
| 150,000 and above | 2 |
Under 25,000: 24; 25,000 to 49,999: 9; 50,000 to 74,999: 5; 75,000 to 99,999: 4; 100,000 to 149,999: 13; 150,000 and above: 2
Under 25,000 miles has the most reports with usable mileage (24). 32 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 |
|---|---|
| 2015 | 7 |
| 2016 | 19 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 5 |
| 2021 | 10 |
| 2022 | 8 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 4 |
2015: 7; 2016: 19; 2017: 9; 2018: 7; 2019: 8; 2020: 5; 2021: 10; 2022: 8; 2023: 6; 2024: 4; 2025: 2; 2026: 4
Pattern summary
Exterior Lighting leads the component reports. Braking behavior appears in 10 complaint narratives. Fuel system concerns appears in 9 complaint narratives. Steering behavior appears in 8 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 10906090 · 2016-09-13 (September 13, 2016)
WHILE DRIVING ON DRY PAVEMENT, DRIVER MOVED KNOB ON VEHICLE TO SWITCH FROM AWD TO 2WD. VEHICLE WENT INTO AN IMMEDIATE SPIN WHICH COULD NOT BE CORRECTED. (OR MAYBE IT WAS BECAUSE OF WHAT HAPPENED NEXT). VEHICLE CAREENED OVER TWO LANES ("PRESUMABLY" WOULD NOT STOP - DRIVER DOES NOT RECALL TRYING TO HIT THE BRAKES REPEATEDLY OR AT ALL AS THE "NEXT PROBLEM" WAS IN FRONT OF DRIVER AND DRIVER WAS FOCUSING ON SURVIVAL).. DRIVER QUICKLY SMASHED THROUGH METAL SAFETY BARRIER AND CRASHED THROUGH TREES OVER A 30 FT EMBANKMENT INTO A RESERVOIR. DRIVER…
Owner-reported narrative. 2,500 miles reported. Look up ODI 10906090 at NHTSA ↗
Owner report 10955593 · 2017-02-20 (February 20, 2017)
SIDE AIRBAGS DEPLOYED WHILE PULLING OFF THE SHOULDER OF THE ROAD. GMC INFORMED ME THE VEHICLE WAS TRAVELING AT A SLOW SPEED AND AIRBAGS DEPLOYED BECAUSE FOOT WAS ON BRAKE AND ACCELERATOR AT SAME TIME.
Owner-reported narrative. 48,000 miles reported. Look up ODI 10955593 at NHTSA ↗
Owner report 11021712 · 2017-09-06 (September 6, 2017)
MY VEHICLE'S ENGINE STOPPED RUNNING WHILE I WAS DRIVING ON A VERY BUSY ROAD. I LOST POWER STEERING, POWER BRAKES, EVERYTHING. OTHER MOTORISTS WERE SWERVING TO AVOID ME. I HAD THE TRUCK TOWED TO A GM DEALER, AND THEY DIAGNOSED THE PROBLEM AS THE FUEL INJECTOR PUMP. I RESEARCHED THIS ONLINE, AND FOUND THAT THIS IS A COMMON ISSUE! THIS SHOULD BE A MAJOR SAFETY CONCERN SINCE IT'S CAUSING VEHICLES TO SIMPLY STOP RUNNING AT ANY GIVEN SPEED ON ANY GIVEN HIGHWAY!
Owner-reported narrative. 105,712 miles reported. Look up ODI 11021712 at NHTSA ↗
Owner report 11155789 · 2018-12-03 (December 3, 2018)
DURAMAX DIESEL ENGINE FUEL INJECTION PUMP BROKE WITH NO NOTICE WHILE DRIVING CAUSING A TOTAL LOSS OF POWER. FAILURE REPAIR UNDER WARRANTY REQUIRED REPLACEMENT OF PUMP, INJECTORS, LINES, FILTERS AND FLUSH OF FUEL TANK.
Owner-reported narrative. 74,000 miles reported. Look up ODI 11155789 at NHTSA ↗
Owner report 11019176 · 2017-08-23 (August 23, 2017)
POWER STEERING INTERMITTENTLY GOES OUT ON LOW SPEED, LOW ENGINE RPM, RIGHT HAND TURNS. I HAVE HAD VEHICLE TO DEALER TO HAVE ISSUE FIXED ON MAY 16, 2017. THEY INDICATED THEY COULD NOT DUPLICATE PROBLEM. MODEL YEAR 2014 HAVE BEEN RECALLED FOR THIS ISSUE, BUT NOT 2015 MODEL YEAR TRUCKS
Owner-reported narrative. 24,000 miles reported. Look up ODI 11019176 at NHTSA ↗
Owner report 10824369 · 2016-02-04 (February 4, 2016)
TRANSMISSION CONTROL MODULE FAILURE; THE TRUCK AT 45 MPH DEVELOPED A COMPLETE LOSS OF ALL GAUGES(TACH, SPEED, FUEL, TEMP) AND THEN 10-15 SECONDS LATER TWO LOUD NOISES FOLLOWED BY THE VEHICLE COMING TO A RAPID DECELERATION. THIS RESULTED IN THE WHEELS LOCKING UP AND SLIDING SIDEWISE. THE TRUCK ROLLED UP ON TO ITS LEFT TWO WHEELS AND THEN SLAMMED DOWN. IF THIS OCCURRED AT 75MPH ON THE HIGHWAY, THE TRUCK WOULD HAVE ROLLED. THE TRUCK HAS BEEN AT A GMC DEALERSHIP SINCE THEN. GMC HAS NO DATE OF IF OR WHEN THIS TRUCK CAN BE REPAIRED. THE "TCM" …
Owner-reported narrative. 22,000 miles reported. Look up ODI 10824369 at NHTSA ↗
Owner report 11351697 · 2020-08-27 (August 27, 2020)
SINCE DAY ONE WITH MY 2015 GMC 2500 THE TRANSMISSION HAS ACTED VERY WEIRD WHEN DRIVING. EVERY APPOINTMENT I HAVE MADE FOR SERVICE AT THE DEALER I HAVE COMPLAINED ABOUT THE SHUDDERING AND INCONSISTENT UPSHIFTING AND DOWNSHIFTING AND OF COURSE THE DEALER TELLS ME THAT THEY CANNOT FIND ANYTHING. NOW IT IS TO A POINT WHERE TRANSMISSION IS SHIFTING BUT THE TRUCK HAS NO POWER SOME OF THE TIME. I FEEL LIKE IT COMES AND GOES WEEKLY. I ALSO OWN A 2015 GMC 3500 THAT I BOUGHT AT THE SAME TIME BUT THAT TRUCK RESEMBLES NONE OF THESE SYMPTOMS.
Owner-reported narrative. 7,000 miles reported. Look up ODI 11351697 at NHTSA ↗
Owner report 11131671 · 2018-09-26 (September 26, 2018)
RIGHT REAR TURN SIGNAL BOTTOM SOCKET HEATS UP AND CAUSES AN OPEN TO THE TOP TURN SIGNAL SOCKET SO THE TOP TURN SIGNAL QUITS WORKING AND CAUSES THE SYSTEM TO HYPER FLASH.AND INDICATE INOPERATIVE RIGHT REAR TURN SIGNAL IN MESSAGE CENTER. ONLY REPAIR IS TO REPLACE WIRING HARNESS AND SOCKETS. SYSTEM WORKS FINE IN COLD TEMPERATURES AS THE SOCKET DOES NOT HEAT UP ENOUGH. HAPPENS WITH VEHICLE STATIONARY AND IN MOTION. CONTACTED GM ABOUT IT AND GOT NOWHERE.
Owner-reported narrative. 25,000 miles reported. Look up ODI 11131671 at NHTSA ↗
Owner report 11180933 · 2019-02-18 (February 18, 2019)
WATER STEADILY DRIPPING THROUGH THE SUN VISOR BAR THAT MOUNTS TO INTERIOR OF ROOF ON THE DRIVERS SIDE WHEN RAINING/SNOWING TODAY. DOES NOT MATTER IF YOUR DRIVING OR SITTING STILL. ELECTRICAL WIRES RUN THROUGH THIS BAR POSING A FIRE HAZARD. GM REFUSES TO FIX EVEN THOUGH TRUCK IS UNDER WARRANTY. I HAVE VIDEO EVIDENCE.
Owner-reported narrative. 97,149 miles reported. Look up ODI 11180933 at NHTSA ↗
Owner report 11497442 · 2022-12-14 (December 14, 2022)
The contact owns a 2015 GMC Sierra 2500. The contact stated while her husband was driving approximately 20 MPH, the vehicle lost motive power and stalled. The vehicle lost power steering and power braking functionality. The contact stated that her husband did not see any warning lights being illuminated. The contact stated that her husband pulled over and stopped the vehicle. The vehicle could not be restarted. The contact stated that her husband purchased a fuel head for the diesel engine. The fuel head was replaced, the vehicle was started, a…
Owner-reported narrative. 136,000 miles reported. Look up ODI 11497442 at NHTSA ↗