2019 Gmc Sierra 2500 problems, complaints & recalls
Most-reported problem areas: Engine (5) · Electrical System (4) · Service Brakes (3)
🧭 Reliability snapshot
Compared against other Gmc Sierra 2500 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (7)
Air Bags 2026-05-21 · campaign 26V325000 · 4,315 vehicles
Defect: 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 2026-03-19 · campaign 26V166000 · 2,819 vehicles
Defect: 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 2025-06-26 · campaign 25V432000 · 1,658 vehicles
Defect: 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 2024-10-10 · campaign 24V756000 · 2,061 vehicles
Defect: 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 2023-02-02 · campaign 23V047000 · 22,132 vehicles
Defect: 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 2021-07-01 · campaign 21V496000 · 338,020 vehicles
Defect: 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. In
Engine 2019-04-25 · campaign 19V328000 · 318,374 vehicles
Defect: 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.
Service bulletins (947)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-10-26 · GM Update N25-250552 · Over The Air
• improvements to onstar functionality.
Unknown Or Other 2026-09-26 · PIP6133 · Service Bulletin/Repair Instructions
this pi was created to help address the correct repair regarding a low coolant message on the dic
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-08-27 · PIP6127A · Service Bulletin/Repair Instructions
this document assists gm dealer technicians with diagnosing torque converter concerns to ensure torque converter replacement is necessary. the torque converter part number will be placed on order restriction, and the technician will be asked to follow 25-na-148 before requesting a part through pqc.
Unknown Or Other 2026-07-23 · PIT5680B · Service Bulletin/Repair Instructions
this pi provides information to repair the door water deflector which is not sealed properly allows water into the door jam/sill area.
Showing the 6 most recent of 947 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-07-22 · Engine · 🔥 fire“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 compartme…”
2026-03-13 · Electrical 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 …”
2026-02-13 · Fuel System, Gasoline · 68,580 mi“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 …”
2025-12-01 · Electrical System · 🔥 fire“my center console wires for the charging pad broke and shorted out causing wires to burn and short the whole system out …”
2025-10-23 · Fuel System, Diesel · 143,000 mi“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 f…”
2025-07-17 · Engine And Engine Cooling:engine:diesel“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. …”
2025-06-26 · Power Train“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…”
2025-06-13 · Electrical 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 diese…”
2024-11-19 · Service Brakes“the antilock braking system is not functioning properly. the sensor for the anti-lock brake control pump module is defective…”
2024-10-10 · Fuel System, Diesel:delivery:fuel Pump:control/Drive Module · 33,000 mi“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 manufacturer was notified of the…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.