2019 GMC Sierra 3500 Problems, Complaints & Recalls
- Compared with other Sierra 3500 years
- Fewer complaints than other years 20th of 31 for complaints
- Safety recalls
- 7 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 13 complaints with NHTSA about the 2019 GMC Sierra 3500. That ranks 20th out of 31 Sierra 3500 model years for complaints. The most reported problem area is service brakes (4 complaints, 31%), typically at around 9,470 miles. Complaints mention 1 crash, 1 fire, 1 injury. There are 7 safety recalls covering this model year.
- 13owner complaints
- 7safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2019 GMC Sierra 3500 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Service Brakes | 4 | 31% | 9,470 | — | — |
| Electrical System | 3 | 23% | 31,237 | — | — |
| Engine | 2 | 15% | — | — | — |
| Equipment | 2 | 15% | 134,500 | — | — |
| Unknown or Other | 2 | 15% | — | — | — |
| Air Bags | 1 | 8% | 103,000 | — | — |
| Engine and Engine Cooling | 1 | 8% | 27,000 | — | — |
| Exterior Lighting | 1 | 8% | — | — | — |
| Fuel/propulsion System | 1 | 8% | — | — | — |
| Power Train | 1 | 8% | — | — | — |
| Steering | 1 | 8% | 9,470 | — | — |
| Vehicle Speed Control | 1 | 8% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2019 GMC Sierra 3500 recalls (7)
Tap a recall to see the problem, the risk and the fix.
Air bags
Problem: 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.
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.
Air bags
Problem: 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.
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.
Air bags
Problem: 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.
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.
Air bags:side/window:curtain:inflator
Problem: 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.
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.
Fuel system, diesel:storage:tank assembly
Problem: 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.
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.
Equipment:electrical:engine block heater
Problem: 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.
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 mailed on April 4, 2022. Customers may call GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.
Engine
Problem: 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.
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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
The contact owns a 2019 GMC Sierra 3500. The contact stated that while attempting to switch lanes, the side-view cameras failed to operate as needed. The vehicle was taken to a dealer where it was diagnosed with a disconnected wire from the side-view cameras. The wire had poor connection, which…
Approximately Nov 15, 2024 is when the issue started. At approximately 44,000 miles the truck experienced a catastrophic oil coolant failure causing oil and coolant to mix. It is available for inspection. The incident happened suddenly as the truck was being driven. When pressing on the…
The contact owned a 2019 GMC Sierra 3500. The contact stated that while driving during a rain storm at approximately 60 MPH, the vehicle hydroplaned. The contact stated that the vehicle swerved to the right and then to the left. The contact stated that the vehicle drove off the road and down an…
The contact owned a 2019 GMC Sierra 3500. The contact stated while driving at approximately 45 MPH, the vehicle went into âEngine Power Reduced Modeâ and the contact attempted to pull over to the side of the road, but the contact stated that the battery went dead and the vehicle shutoff. The…
I purchased my vehicle in 2019. Since then, I have had several issues. I've had to replace the coolant reservoir, DEF heater/pump and twice changed the number 8 injector plug. The warning light came on just after the warranty went out. The code reader read the ambient sensor and no sensor.
Other GMC Sierra 3500 years
← 2018 Sierra 3500 · 2020 Sierra 3500 →
See all GMC Sierra 3500 problems by year, every GMC model, or the GMC VIN decoder.
Similar GMC models
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Frequently asked questions
What are the most common problems with the 2019 GMC Sierra 3500?
Owners most often report service brakes, electrical system, engine problems. The top one, service brakes, accounts for 4 complaints.
Was there a recall on the 2019 GMC Sierra 3500?
Yes, 7 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2019 GMC Sierra 3500 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Sierra 3500 model years, the 2019 has fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.