2026 GMC Sierra 2500HD recalls, problems & safety ratings
NHTSA lists 1 recall for the 2026 GMC Sierra 2500HD and 14 owner complaints. The most-reported problem areas are electrical system (5), steering (4), service brakes (2).
The 2026 has the fewest owner complaints of any Sierra 2500HD model year from 2012 to 2026. It has 1 recall vs. an average of 4.2 per model year.
Recalls 1
Every recall NHTSA lists for the 2026 GMC Sierra 2500HD. Not every recall applies to every vehicle, so check your VIN. Recall repairs are free at a franchised dealer.
Equipment · other · owners/service/other manual
Problem: General Motors has decided that certain 2027 Chevrolet Bolt EV, 2025-2026 Cadillac OPTIQ, Chevrolet Colorado, Equinox EV, GMC Canyon, 2026 Buick Enclave, Envision, Cadillac CT5, Escalade, Escalade ESV, Escalade IQ, Escalade IQL, LYRIQ, VISTIQ, Chevrolet Blazer EV, Corvette Convertible, Corvette Coupe, Corvette Convertible E-Ray, Equinox, Silverado 1500, 2500, 3500, Silverado EV, Suburban 1500, Tahoe, Traverse, GMC Acadia, Hummer EV Pickup, Hummer EV SUV, Sierra 1500, 2500, 3500, Sierra EV, Terrain, Yukon, and Yukon XL vehicles. The radio may not have been set to the correct status to download the electronic owner's manual during production. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, “Occupant Protection.”
Risk: Without an owner's manual to consult, owners may not know how to safely use and operate the vehicle, increasing the risk of injury in a crash.
Fix: Dealers will reset the vehicle radio, which will facilitate automatic download of the electronic owner’s manual, free of charge. Owner notification letters were mailed April 16, 2026. Owners may contact GM customer service at 1-866-467-9700, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-333-4223. The manufacturer's number for this recall is N252540430. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 26, 2026.
Common problems
From complaints owners filed with NHTSA. Complaints aren't verified, but patterns across hundreds of owners point to known weak spots.
Most-reported problem areas
By the numbers
Recent owner reports
I am filing a formal safety complaint regarding my 2026 GMC Sierra 2500HD Duramax (VIN [XXX]; 32,607 miles). While driving at highway speeds with Adaptive Cruise Control engaged, the truck intermittently applies the brakes suddenly and forcefully with no vehicle, pedestrian, or obstruction apparent in the roadway. On some occasions it decelerates from my set cruising speed to n…
My 2026 GMC Sierra AT4 HD intermittently has no power steering assistance when I start the vehicle, making it extremely difficult to steer. This occurs randomly, approximately once every one to two weeks, and has nearly caused me to hit another vehicle on multiple occasions. A few months ago, the dealership inspected the truck, performed a software update, and told me the issu…
Vehicle experienced a complete loss of audio, to include warning chimes, bluetooth audio, radio, and blinker on/off notification warning. This can be a serious issue because without hearing the click notification That your blinker is on, another vehicle may think you are turning and pull out in front of you, possibly causing a serious crash
Safety ratings
2026 GMC SIERRA 2500 PU/CC N/A 4WD
2026 GMC SIERRA 2500 PU/CC N/A RWD
2026 GMC SIERRA 2500 PU/EC N/A 4WD
Fuel economy
The EPA doesn't publish fuel economy ratings for heavy-duty pickups like the GMC Sierra 2500HD.
Other model years
Questions
How many recalls does the 2026 GMC Sierra 2500HD have?
NHTSA lists 1 recall for the 2026 GMC Sierra 2500HD, most recently for equipment · other · owners/service/other manual (02/26/2026). Recall repairs are free at a franchised dealer. Enter your VIN to check whether a recall applies to your vehicle.
What are the most common problems with the 2026 GMC Sierra 2500HD?
Based on 14 owner complaints filed with NHTSA, the most-reported areas are electrical system (5), steering (4), service brakes (2).
Is the 2026 GMC Sierra 2500HD safe?
NHTSA hasn't published an overall 5-star rating for the 2026 GMC Sierra 2500HD.
Is the 2026 a good year for the GMC Sierra 2500HD?
The 2026 has the fewest owner complaints of any Sierra 2500HD model year from 2012 to 2026. It has 1 recall vs. an average of 4.2 per model year.
Own a 2026 GMC Sierra 2500HD in South Carolina?
Our mobile mechanics diagnose and fix the problems above at your home, office or fleet lot in Lexington, Columbia and the Midlands, with dealer-grade scan tools.
Related vehicles
Sources: NHTSA recalls, complaints and 5-Star Safety Ratings APIs; EPA fueleconomy.gov. Data retrieved November 2, 2026. NHTSA model names used: SIERRA 2500, Sierra 2500HD.