2019 GMC Sierra 2500 problems, complaints & recalls

Updated from NHTSA data · How we count

Owners have filed 31 complaints with NHTSA about the 2019 GMC Sierra 2500, most often about electrical system. There are 7 recalls for this model year.

Complaints
31
Recalls
7
Crashes
0
Fires
3
Injuries
1
Median mileage
32,000 mi
at time of problem

Key facts

  • Electrical System is the most-reported problem area, named in 9 of 31 complaints (29%).
  • Engine (8) and fuel, hybrid & EV propulsion (6) follow.
  • Half of the complaints that list mileage happened before 32,000 mi.
  • Owners reported 0 crashes, 3 fires and 1 injury.
  • The 2019 GMC Sierra 2500 has 7 recalls on file.
  • It ranks 7th of 22 GMC Sierra 2500 model years by our severity-weighted complaint score (1st = worst).
  • That is 19% more complaints than the 2018 model year (26).

2019 GMC Sierra 2500 problems by category

  • Electrical System
    9 complaints
  • Engine
    8 complaints
  • Fuel, Hybrid & EV Propulsion
    6 complaints
  • Other / Unknown
    4 complaints
  • Brakes
    4 complaints
  • Transmission & Drivetrain
    2 complaints
  • Wheels & Tires
    2 complaints
  • Lighting
    1 complaints
  • Driver Assistance & Safety Tech
    1 complaints
  • Seats & Seat Belts
    1 complaints
  • Visibility & Wipers
    1 complaints

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)Complaints
Electrical system9
Engine6
Service brakes4
Equipment2
Fuel system, diesel2
Fuel/propulsion system2
Power train2
Tires2

When problems happen (mileage)

Under 10k510k–30k330k–60k260k–100k1100k–150k150k+
Mileage at the time of the problem, for 2019 GMC Sierra 2500 complaints that list mileage.

2019 GMC Sierra 2500 recalls (7)

  • Recall 26V325000May 21, 20264,315 vehicles
    AIR BAGS

    General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2019 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 vehicles. The left-side or right-side roof rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

    Risk: A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increasing the risk of injury.

    Remedy: Dealers will replace both RRAB modules, free of charge. Owner notification letters were mailed June 24, 2026. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262557310. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on May 21, 2026. This recall expands previous NHTSA recall number 26V166.

  • Recall 26V166000Mar 19, 20262,819 vehicles
    AIR BAGS

    General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2019 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 Crew Cab vehicles. The left or right-side roof rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

    Risk: A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increasing the risk of injury.

    Remedy: Dealers will replace the left and right-side RRAB modules, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N262549710. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 19, 2026.

  • Recall 25V432000Jun 26, 20251,658 vehicles
    AIR BAGS

    General Motors (GM) is recalling certain 2018 GMC Sierra 1500, 2019 Sierra 2500, 3500, Chevrolet Silverado 3500, and Chevrolet Silverado 2500 and 2018 Chevrolet Silverado 1500 Crew Cab vehicles. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

    Risk: A detached end cap or inflator rupture can allow compressed gas to escape and project the end cap or fragments of the inflator into the vehicle, increases the risk of injury or crash.

    Remedy: Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed July 23, 2025. Owners may contact GMC customer service at 1-888-988-7267 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252513060.

  • Recall 24V756000Oct 10, 20242,061 vehicles
    AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

    General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, GMC Sierra 1500, 2018-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 Crew Cab trucks. The left or right-side roof-rail air bag (RRAB) inflator end cap may detach from the inflator or the inflator sidewall may rupture.

    Risk: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.

    Remedy: Dealers will replace the left and right side RRAB modules, free of charge. Owner notification letters were mailed November 8, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC Customer Service at 888-988-7267. GM's number for this recall is N242474500.

  • Recall 23V047000Feb 2, 202322,132 vehicles
    FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

    General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles equipped with a dual fuel tank option. The rear fuel tank may collapse and prevent the fuel pump from transferring fuel to the front tank, resulting in an engine stall.

    Risk: An engine stall increases the risk of a crash.

    Remedy: Dealers will inspect the fuel tank and fuel pump module, replacing them as necessary. Dealers will also add a vent hose to the rear tank assembly. Repairs will be performed free of charge. An interim owner notification letter informing owners of the safety risk was mailed on March 15, 2023. Owner notification letters were mailed June 21, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N222368030.

  • Recall 21V496000Jul 1, 2021338,020 vehicles
    EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER

    General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500 and 2017-2019 GMC Sierra 2500 and 3500 vehicles equipped with a Duramax diesel 6.6 liter engine and an optional engine-block heater cord. An electrical short-circuit may occur in the engine-block heater cable or in the terminals that connect the heater cable to the block heater.

    Risk: An electrical short-circuit can increase the risk of a fire.

    Remedy: Dealers will replace engine block heaters and heater cords. Vehicles that have this feature disabled as a remedy to the safety condition will be contacted and offered replacement block heaters and heater cords under a separate customer satisfaction program, free of charge. GM will provide free replacement block heaters and cords under a separate customer satisfaction campaign. For vehicles previously included in recall 19V-328, the heater cord will be replaced and rerouted, free of charge. Interim owner notifications were mailed on August 13, 2021. Owner notification letters are expected to be mailed on April 4, 2022. Customers may call GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.

  • Recall 19V328000Apr 25, 2019318,374 vehicles
    ENGINE

    General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 4500, 5500 and 6500 vehicles and 2017-2019 Chevrolet Silverado 2500 and 3500 vehicles and GMC Sierra 2500 and 3500 vehicles equipped with Duramax 6.6 liter diesel engines and an optional engine-block heater. The engine block heater cord or the terminals that connect the heater cord to the block heater may short circuit and fail.

    Risk: A short-circuit may damage the engine components and increase the risk of fire.

    Remedy: GM will contact owners, dealers will replace the engine block heater, free of charge. Additionally, in Chevrolet Silverado 2500 and 3500 vehicles, dealers will install a new rerouted heater cord. The recall began December 11, 2019. Owners may contact GM customer service at 1-586-596-1733. GM's number for this recall is N182206310.

Recent 2019 GMC Sierra 2500 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

  1. Filed Jul 22, 2026MEFireElectrical SystemEngine
    On 07/10/2026 at approximately 1:10 a.m., the parked and unoccupied vehicle caught fire while turned off. The vehicle had not been driven for several hours. A neighbor was awakened by the horn/alarm and popping noises, observed fire near the passenger-side cab/engine area, and called 911. The fire rapidly spread throughout the cab, engine compartment, rocker-panel areas, wheel wells, and truck bed, creating an explosion hazard and threatening a nearby occupied residence and…
    NHTSA complaint #11752275 · source
  2. Filed Mar 13, 2026MAElectrical System
    UI Bulletin #161b is for years 2020 and beyond. But my 2019 is having the same exact issue and the GM dealer will not cover the work as stated in the UI Bulletin #161b
    NHTSA complaint #11724160 · source
  3. Filed Feb 13, 202668,580 miMDFuel, Hybrid & EV Propulsion
    The contact owned a 2019 GMC Sierra 2500. The contact stated that on several occasions while driving at undisclosed speeds, the vehicle lost motive power. There was no warning light illuminated. The vehicle was restarted; however, the failure recurred. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the rear fuel tank had failed and needed to be replaced. The vehicle was not repaired. The dealer was contacted. The vehicle was not…
    NHTSA complaint #11717761 · source
  4. Filed Oct 23, 2025143,000 miMITowedFuel, Hybrid & EV Propulsion
    The contact owns a 2019 GMC Sierra 2500. The contact stated that while her husband was driving 30 MPH and depressing the accelerator pedal, there was an abnormal sound coming from the front of the vehicle, and the vehicle lost power unexpectedly. The contact stated that her husband was able to pull over to the right side of the road while waiting for tow truck assistance. The vehicle was towed to the residence. The vehicle was not towed an independent mechanic or dealer to…
    NHTSA complaint #11695231 · source
  5. Filed Jul 17, 2025OHEngine
    Emissions Code showed up on the dash display. Tried to fix the fuel filter and cleaned a sensor off and it still shows the emissions code.
    NHTSA complaint #11674331 · source
  6. Filed Jun 26, 2025MATransmission & Drivetrain
    While merging into highway traffic the truck surged with RPM going to 5,000. Shortly after this event there was a grinding or rattling noise in the transmission bell housing along with unusual shifting behavior and a repeatble vibration + rotational noise between 50 and 60 MPH. The vehicle was brought to the dealer for inspection at least 4 times with claims they could not hear the obvious noise that did not go away. On the last drop off, I picked up the vehicle and the…
    NHTSA complaint #11669560 · source
  7. Filed Jun 13, 2025GA1 injuredElectrical System
    The manufacturer placed two 12v batteries to start the truck with one being located on the passenger side just in front of the cowl of the cab. The factory OEM batteries are known to overheat when charging which is exactly what mine did and as the battery boils over with sulfuric acid, the acid is vaporized and ingested into the cabin. It’s a diesel so it’s common for me to take my dog in the rear crew cab with me and leave the engine running so the cabin will stay cool in…
    NHTSA complaint #11666873 · source
  8. Filed Nov 19, 2024TXBrakes
    The antilock braking system is not functioning properly. The sensor for the anti-lock brake control pump module is defective
    NHTSA complaint #11626142 · source

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Other 2019 GMC models

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 11, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology