MotorDeets

2019 GMC Sierra 2500: Recalls, Problems & MPG

Here are the deets on the 2019 GMC Sierra 2500: 7 recalls, 32 owner complaints.

7vehicle recalls
32owner complaints
0mention a crash
–best combined mpg
2019 GMC Sierra 2500
Photo: Bull-Doser · Public domain · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

7 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Engine Vehicle recall #19V328000 · 2019 · 318,374 vehicles

What's wrong: 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.

Why it matters: A short-circuit May damage the engine components and increase the risk of fire.

The 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.

Equipment Vehicle recall #21V496000 · 2021 · 338,020 vehicles

What's wrong: 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.

Why it matters: An electrical short-circuit can increase the risk of a fire.

The 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…

Fuel system (diesel) Vehicle recall #23V047000 · 2023 · 22,132 vehicles

What's wrong: The rear fuel tank May collapse and prevent the fuel pump from transferring fuel to the front tank, resulting in an engine stall.

Why it matters: An engine stall increases the risk of a crash.

The 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…

Airbags Vehicle recall #24V756000 · 2024 · 2,061 vehicles

What's wrong: The left or right-side roof-rail air bag (rrab) inflator end cap May detach from the inflator or the inflator sidewall May rupture.

Why it matters: 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.

The fix: Dealers will replace the left and right side rrab modules, free of charge. Owner notification letters were mailed November 8, 2024.

Airbags Vehicle recall #25V432000 · 2025 · 1,658 vehicles

What's wrong: The left or right-side roof-rail air bag (rrab) inflator end cap May detach from the inflator or the inflator sidewall May rupture.

Why it matters: 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.

The fix: Dealers will replace the left and right side rrab modules, free of charge. Owner notification letters were mailed July 23, 2025.

Airbags Vehicle recall #26V166000 · 2026 · 2,819 vehicles

What's wrong: The left or right-side roof rail air bag (rrab) inflator end cap May detach from the inflator or the inflator sidewall May rupture.

Why it matters: 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.

The fix: Dealers will replace the left and right-side rrab modules, free of charge. Owner notification letters were mailed April 16, 2026.

Airbags Vehicle recall #26V325000 · 2026 · 4,315 vehicles

What's wrong: 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.

Why it matters: 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.

The fix: Dealers will replace both rrab modules, free of charge. Owner notification letters were mailed June 24, 2026.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 3 mention a fire, 1 injuries and 0 deaths were reported.

Electrical9
Engine6
Brakes4
Fuel system (diesel)3
Exterior lights2
Transmission & drivetrain2
Tires2
Equipment2

What owners describe

The 2019 GMC Sierra 2500 has 32 owner complaints, ranking #21 of 31 Sierra 2500 model years for complaints (well below the 59 average). Complaints peaked in 2024 (6 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 28,729 miles. Neighboring years: 2018 (35 complaints, 5 recalls), 2020 (77 complaints, 9 recalls).

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2019 GMC Sierra 2500.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
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Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
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ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
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Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
Check 2019 GMC Sierra 2500 manual

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FAQ

Does the 2019 GMC Sierra 2500 have any recalls?

Yes. NHTSA lists 7 vehicle recalls for the 2019 GMC Sierra 2500. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2019 GMC Sierra 2500 problems?

Owners have filed 32 complaints with NHTSA. The most-reported areas are electrical (9), engine (6), brakes (4).

Where can I get a 2019 GMC Sierra 2500 repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other Sierra 2500 years

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