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2019 GMC Sierra 2500 Problems and Recalls
Owners filed 32 complaints with NHTSA about the 2019 GMC Sierra 2500, most often about the electrical (28% of complaints). It is 21st of 27 Sierra 2500 model years by number of complaints and has 7 recalls.
Most common 2019 GMC Sierra 2500 problems
Electrical
9 complaints · 28%The contact owns a 2019 GMC Sierra 2500. The contact stated while driving at various speeds, the vehicle lost motive power. The coolant fan seized and failed to operate as needed. There were no warning lights illuminated. The vehicle was towed to the local dealer to be diagnosed. The contact was informed that the…
Engine
8 complaints · 25%Half of these problems showed up before 23,500 miles. Parts named most often: engine.
The contact owns a 2019 GMC Sierra 2500. The contact stated while driving 45 MPH, the stabilitrak stopped functioning properly. The contact stated no warning light was illuminated. The contact took the vehicle to the local dealer, where it was diagnosed with needing to reset the computer electronic system. The vehicle…
The contact owns a 2019 GMC Sierra 2500. The contact stated while driving 5 MPH up hill, the low coolant and DEF (diesel exhaust fluid) warning lights illuminated. The contact stated that the vehicle shifted into limp mode. The contact reversed to level ground and decided to drive to another route to his destination.…
Fuel system
6 complaints · 19%Parts named most often: delivery.
The contact owns a 2019 GMC Sierra 2500. The contact stated while stationary at a traffic light, he started to smell diesel fumes inside the cabin of the vehicle. The contact stated no warning light was illuminated. The contact was able to drive to his residence and while inspecting the vehicle, he noticed a fuel leak…
The contact owns a 2019 GMC Sierra 2500. The contact stated while driving 10 MPH, the vehicle lost motive power and stalled and shut off independently. The vehicle was towed to a dealer and was diagnosed, and it was determined that the fuel pump control module needed to be replaced. The vehicle was not repaired. The…
Brakes
4 complaints · 13%
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2019 GMC Sierra 2500 recalls
Air bags
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.
Fix: 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.
Full defect summary
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.
Air bags
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.
Fix: 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.
Full defect summary
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.
Air bags
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.
Fix: 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.
Full defect summary
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.
Air bags: inflator
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.
Fix: 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.
Full defect summary
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.
Fuel system: tank assembly
Risk: An engine stall increases the risk of a crash.
Fix: 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.
Full defect summary
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.
Equipment: engine block heater
Risk: An electrical short-circuit can increase the risk of a fire.
Fix: 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
Full defect summary
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.
Engine
Risk: A short-circuit may damage the engine components and increase the risk of fire.
Fix: 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.
Full defect summary
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.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2019 GMC Sierra 2500
- What are the most common problems with the 2019 GMC Sierra 2500?
- By NHTSA owner complaints: electrical (9 complaints); engine (8 complaints, typically around 23,500 miles); fuel system (6 complaints).
- How many recalls does the 2019 GMC Sierra 2500 have?
- 7 recalls listed by NHTSA, the latest from May 21, 2026 (air bags). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2019 a bad year for the GMC Sierra 2500?
- It is 21st of 27 Sierra 2500 model years by number of complaints, with 32 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.