{"id":"2025_gmc_sierra_3500hd","make":"GMC","make_slug":"gmc","model":"Sierra 3500HD","model_slug":"sierra-3500hd","year":2025,"url":"/gmc/sierra-3500hd/2025/","pts":[],"configs":[],"vclass":"Heavy-duty pickup","segment":"Heavy-duty pickup","epa_certified":false,"recalls":[{"campaign":"26V129000","component":"FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE","mfr":"General Motors, LLC","reported":"2026-03-05","owner_notified":"2026-04-08","units":11807,"summary":"General Motors, LLC (GM) is recalling certain 2025-2026 Chevrolet Silverado 3500, and GMC Sierra 3500 vehicles with gasoline engines and dual fuel tanks (RPOs L8T and N2N). The rear fuel pump may not transfer adequate fuel to the front tank, causing an engine stall.","consequence":"An engine stall increases the risk of a crash.","remedy":"The vehicle's engine control module (ECM) will be updated by a dealer or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed April 8, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020.  GM's number for this recall is N262544420. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on March 5, 2026.","notes":"","park_outside":false,"do_not_drive":false,"mfr_campaign":"N262544420","initiated_by":"MFR","variants":[],"severity":"high"}],"recall_count":1,"critical_count":0,"park_outside":false,"do_not_drive":false,"score":92,"grade":"A","complaints":{"count":16,"crash":0,"fire":0,"injured":0,"deaths":0,"comps":[["Electrical System",4],["Service Brakes",4],["Tires",2],["Forward Collision Avoidance",2],["Unspecified",2],["Engine",2]],"by_year":{"2024":1,"2025":9,"2026":6},"excerpts":[["2026-04-19","Service Brakes","The electronic part of the truck gave a warning and shut off my trailer brake system while towing a 21K 5th wheel trailer (X2). The truck is available for inspection. Any part of the electronics package that has the ability to disable a trailer braking system while towing needs to be removed/disabled immediately. The t\u2026"],["2026-04-15","Equipment","The contact owns a 2025 GMC Sierra 3500 used for hauling a 2026 Aluminum Trailer equipped with a DeeMaxx: DBI-7K-MAXX-SS-KIT brake kit. The contact stated that while driving at an undisclosed speed, the brake caliper bracket detached due to insufficient generic quality bolts included in the brake kit. The contact pulle\u2026"],["2026-04-01","Power Train","The contact owns a 2025 GMC Sierra 3500. The contact stated that the transmission was shifting hard and was jerking while shifting gear. Additionally, the vehicle failed to accelerate above 50 MPH. The messages \u00e2\u20ac\u0153Reduced Acceleration\u00e2\u20ac\ufffd and \u00e2\u20ac\u0153DEF Low\u00e2\u20ac\ufffd were displayed. While refueling the vehicle, the fuel gauge fail\u2026"]]},"investigations":[],"ncap":[],"popularity":12,"headline":{"range":null,"mpg":null,"ncap":null,"complaints":16},"presskit_trims":[],"generated_at":"2026-09-11 06:27 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}