Problems owners report
Complaints filed with NHTSA about the 2015 GMC Sierra, by the system named in each complaint. One complaint can name several.
- Exterior lighting30
- Steering6
- Power train6
- Air bags4
- Unknown or other2
- Seats2
- Service brakes2
- Structure2
- Engine2
- Traction control system1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 1 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Fatal crashes in the US
From 2020 to 2023, 227 2015 Sierra vehicles were involved in crashes on US public roads in which someone died; 64 people died inside them, and 26 of the vehicles rolled over. This is a count, not a crash rate: it grows with the number of cars on the road.
NHTSA Fatality Analysis Reporting System (FARS), crash years 2020–2023 (public domain)
New York safety inspections
At its first New York inspection the 2015 GMC Sierra failed the safety check 1.34% of the time — 35% less often than the average 2015 passenger car (2.08%). Median odometer at inspection: 97,822 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
In New Zealand
2 2015 cars are on the New Zealand register; 100% arrived as used imports, 0% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Fuel consumption
Official Canadian test results for 10 variants: combined 11.9–18.0 L/100 km (about 13–20 mpg US), CO₂ 274–327 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| Sierra · Pickup truck: Standard · Regular gasoline | 13.4 | 9.9 | 11.9 |
| Sierra 4WD · Pickup truck: Standard · Regular gasoline | 14.1 | 10.6 | 12.5 |
| Sierra · Pickup truck: Standard · Regular gasoline | 14.6 | 10.3 | 12.7 |
| Sierra 4WD · Pickup truck: Standard · Regular gasoline | 14.9 | 10.7 | 13.0 |
| Sierra · Pickup truck: Standard · Premium gasoline | 16.1 | 11.4 | 14.0 |
| Sierra 4WD · Pickup truck: Standard · Premium gasoline | 16.3 | 11.6 | 14.2 |
| Sierra · Pickup truck: Standard · E85 ethanol | 19.3 | 14.3 | 17.1 |
| Sierra · Pickup truck: Standard · E85 ethanol | 19.9 | 13.8 | 17.2 |
| Sierra 4WD · Pickup truck: Standard · E85 ethanol | 20.2 | 14.3 | 17.5 |
| Sierra 4WD · Pickup truck: Standard · E85 ethanol | 20.3 | 15.2 | 18.0 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
23 Transport Canada recalls for the 2015 GMC Sierra.
| 2024294 24 May 2024 | Electrical Issue: On certain trucks, the repairs completed by a General Motors dealer during recall N192220470 (Transport Canada recall no. 2019-325) or customer satisfa… |
| 2021410 1 Jul 2021 | Airbag Issue: On certain trucks, the side curtain airbag inflators could be defective. As a result, the driver and/or passenger side curtain airbag inflator(s) could… |
| 2021212 9 Apr 2021 | Seats And Restraints Issue: On certain vehicles, the flexible steel cable that connects the seat belt to the outboard side of the driver's seat may have been replaced with an inco… |
| 2020576 25 Nov 2020 | Airbag This recall was replaced by Transport Canada Recall No. 2021-410. Issue: On certain trucks, the side curtain airbag inflators could be defective. As a resu… |
| 2019533 24 Oct 2019 | Brakes Issue: On certain vehicles, there may be an error in the electronic-brake control module software. This could cause the driveline-protection system to activat… |
| 2019420 21 Aug 2019 | Other Issue: This recall is for aftermarket replacement rear window glass produced by Vitro Automotriz. Certain rear window glass may not have been properly tempere… |
| 2019325 28 Jun 2019 | Electrical Issue: On certain trucks equipped with a power sliding rear window, the rear defroster circuit could overheat. This could cause melting, smoke or, in rare ins… |
| 2019324 28 Jun 2019 | Brakes Issue: On certain vehicles, there could be a reduction in power brake assist due to a decrease in output from the vacuum pump. This could cause a hard brake p… |
| 2018482 7 Sept 2018 | Steering Certain vehicles may experience a temporary loss of electric power steering (EPS) assist followed by a sudden return of EPS assist, particularly during low-spee… |
| 2017342 10 Jul 2017 | Airbag On certain vehicles, the sensing and diagnostic module (SDM), which controls airbag and pretensioner deployment, contains a software defect which may prevent th… |
| 2016439 9 Sept 2016 | Airbag On certain vehicles, the sensing and diagnostic module (SDM), which controls airbag and pretensioner deployment, contains a software defect which may prevent th… |
| 2016153 11 Apr 2016 | Seats And Restraints On certain Sierra 1500 and Silverado 1500 vehicles, the flexible steel cable that connects the driver's seat belt to the vehicle structure at the outboard posit… |
| 2015458 8 Oct 2015 | Electrical On certain vehicles, a defect in the ignition lock actuator may make turning the ignition key difficult or cause the key to get stuck in the “start” position. T… |
| 2014588 22 Dec 2014 | Fuel System On certain vehicles equipped with diesel engines, a hose clamp for the fuel tank vent line may not have been sufficiently tightened at assembly. This could allo… |
| 2014589 22 Dec 2014 | Powertrain On certain vehicles, rear axle shafts may not have been properly heat treated. An improperly heat-treated axle shaft could fracture without warning near the hub… |
| 2014577 18 Dec 2014 | Engine On certain vehicles, exhaust components may overheat while the vehicle is idling in cold temperatures. This could cause nearby plastic components to overheat an… |
| 2014509 7 Nov 2014 | Steering Certain vehicles may experience a sudden loss of power steering assist that could occur at any time while driving. If the power steering assist is lost, a mess… |
| 2014443 7 Oct 2014 | Steering On certain model 2500/3500 HD vehicles, power steering hose clamps may not have been properly attached. This could allow the hose to disconnect from the power s… |
| 2014254 27 Jun 2014 | Powertrain Certain vehicles equipped with an Automatic Transfer Case may have a condition in which an electric signal short may cause the transfer case to switch to neutra… |
| 2014241 19 Jun 2014 | Steering On certain model 2500/3500 HD vehicles, power steering hose clamps may not have been properly attached. This could allow the hose to disconnect from the power s… |
| 2014216 6 Jun 2014 | Accessories Certain vehicles equipped with a base radio and internal amplifier may fail to conform to Canada Motor Vehicle Safety Standard (CMVSS) 114 - Theft Protection an… |
| 2014206 4 Jun 2014 | Airbag On certain vehicles, an internal fault in the Sensing and Diagnostic Module may set a diagnostic trouble code, illuminating the airbag warning lamp and disablin… |
| 2014153 25 Apr 2014 | Fuel System On certain HD vehicles equipped with a diesel engine and dual fuel tanks, the fuel pipe tube nuts on each side of the diesel fuel transfer pump may not have bee… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
General Motors LLC (GM) is recalling certain model year 2014-2015 Chevrolet Silverado and GMC Sierra trucks manufactured January 24, 2014, to February 26, 2014, 2015 Chevrolet Suburban vehicles manufactured February 12, 2014 and Chevrolet Tahoe vehicles manufactured February 6, 2014, to February 13, 2014. In the affected vehicles, the ignition lock actuator may bind, making turning the key difficult or causing the ignition to get stuck in the "Start" position.
General Motors LLC (GM) is recalling certain model year 2015 Chevrolet Silverado 1500, and GMC Sierra 1500 vehicles manufactured November 24, 2014, to November 25, 2014. Due to an improper heat-treatment, the rear axle shaft may fracture while the vehicle is being driven.
General Motors LLC (GM) is recalling certain model year 2015 Chevrolet Silverado, Suburban, Tahoe, GMC Sierra, and Yukon XL vehicles, equipped with electric power steering (EPS). Due to a problem with the EPS module, the affected vehicles may experience a sudden loss of power steering assist during vehicle operation.
General Motors LLC (GM) is recalling certain model year 2013-2014 Buick Encore and Cadillac ATS; 2014 Cadillac CTS, ELR, Chevrolet Caprice and SS vehicles; and 2014-2015 Chevrolet Silverado and GMC Sierra Trucks. Due to an incomplete weld on the seat hook bracket assembly, the front seats in the affected vehicles may not stay secured in place during a high load condition such as a crash.
General Motors LLC (GM) is recalling certain model year 2014-2015 Chevrolet Silverado and GMC Sierra vehicles, and model year 2015 GMC Yukon and Chevrolet Suburban and Tahoe vehicles. In the affected vehicles, an electrical signal short may cause the transfer case to shift to neutral without the driver's input.
General Motors is recalling certain 2014 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, and 2015 model year Cadillac Escalade and Escalade ESV; Chevrolet Silverado HD; and GMC Sierra HD, Yukon, and Yukon XL, equipped with a 4.3L engine or 5.3L engine.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What GMC told its dealers about the 2015 GMC Sierra: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10134598 | This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them. |
| 10116879 | This technical bulletin provides a procedure to replace the driver or passenger seat retractor side belt for vehicles with the condition of oversized and or stripped seat belt retractor bolts |
| 10114597 | This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar 4G upgrade. If the concern is present park the vehicle outside and call General Motors Technical Assistance Center. |
| 10114470 | This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system. |
| 10114431 | This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact. |
| 10114408 | This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States. While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Se |
| 10114372 | This Preliminary Information communication provides information to the technician about vehicles that may have a blank displays, flashing displays, "Error or Update failed Messages", navigation map not loading, Bluetooth or USB concerns. Technician should inspect the USB/SD card port for a SD card or a device plug into any of the USB ports. |
| 10114352 | This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection. |
| 10114343 | This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage |
| 10114342 | This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system. |
| 10114328 | This information for Warranty administration - Changes the Service Policy and Procedures Section 1.6.2.11 and now is refered to Article 3.2.9 of the 1st addition manual for details of Technician Identification and Accounting of Labor Time |
| 10114312 | This informational bulletin explains not to put multiple keys on one key ring and how to tag a key. |
| 10114309 | This informational bulletin explains how to care for wiper blades. |
| 10114299 | This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC. |
| 10114296 | This warranty administration bulletin provide policy information of the JOB CARD, for a repair on vehicles and what is acceptable - customer authorization; Service manager approvals and transaction authorization; Details of concern, cause and correction; Labor Time; Technician ID and acoutablity of labor time; Proper documentation and retension of warranty parts; Accurate sublet charges and receipts; Add on concerns after the Job Card has been written. |
| 10114292 | This preliminary bulletin provides a procedure on how to cold crank test a battery in a vehicle. |
| 10114280 | This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs |
| 10113896 | This Preliminary Information communication advises the technician that vehicles with front seat Regular Production Option Codes A52, AZ3, or B3F may comment about low treble, or excessive bass from the front door speakers. This is a normal design characteristic for this seat configuration. These vehicles lack a subwoofer. |
| 10113810 | This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential tools that include consumable parts (U.S. Only). |
| 10113796 | This informational bulletin provides information on the proper use of GM floor mats. |
| 10113792 | This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after severe internal engine damage. |
| 10113788 | This warranty administration bulletin provides policy information on courtesy transportation and roadside assistance programs. |
| 10113785 | This informational bulletin adds the 2014 and 2015 model years to information of a language change for OnStar System (U.S. and Canada only). |
| 10113775 | This informational bulletin provides information on the Product Quality Center (PQC) assembly replacement process for Service Agents not required to contact PQC prior to assembly replacement. |
| 10113773 | The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them. |
NHTSA manufacturer communications (public domain)