2026 Gmc Sierra 2500 problems, complaints & recalls
Most-reported problem areas: Electrical System (4) · Steering (3) · Tires (2)
🧭 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 (1)
Equipment:other:owners/Service/Other Manual 2026-02-26 · campaign 26V114000 · 5,861 vehicles
Defect: 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, Terra
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,
Service bulletins (172)
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.
Engine 2026-10-23 · N262572131-01 · Service Campaign
customer satisfaction program. certain vehicles listed above may have a condition in which the oil galley in the cylinder head was not drilled properly. dealers are to inspect and if necessary, replace the engine.
Unknown Or Other 2026-10-17 · PIC6602Y · Service Bulletin/Repair Instructions
this preliminary information communicates to dealers steps to follow to obtain an iok radio.
Unknown Or Other 2026-10-07 · PIT6110L · Service Bulletin/Repair Instructions
this preliminary information communicates an issue with the ses mil and dtc p062b and engineering is currently investigating.
Unknown Or Other 2026-09-28 · PIT6457C · Service Bulletin/Repair Instructions
this preliminary information is for technicians that may see dtcs that are history and should not perform any part replacements. they should follow the notes mentioned prior to anything being replaced.
Unknown Or Other 2026-09-28 · PIC6540K · Service Bulletin/Repair Instructions
this preliminary information communicates to dealers a procedure to reset the radio.
Unknown Or Other 2026-09-26 · PIT6553 · Service Bulletin/Repair Instructions
this preliminary information communicates that engineering is working on a resolution and no parts should be replaced at this time.
Showing the 6 most recent of 172 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-29 · Forward Collision Avoidance: Warnings“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 f…”
2026-10-26 · Steering“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 softwar…”
2026-10-20 · Electrical System“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…”
2026-10-19 · Unknown Or Other“while driving, the vehicle audio system intermittently loses all sound for approximately 1-2 seconds. during the audio loss, entertainment audio, turn-signal click sounds, and vehicle warning chimes all disappear simultaneously and then return. vehicle is currently running infotainment software version 662.11. issue occurs while driving and has hap…”
2026-08-30 · Power Train · 💥 crash“aug 14th, 9:49 pm - vehicle was placed in park and driver got out. a few seconds later the vehicle started moving forward under its own power towards the driver who was now infront of vehicle walking foward away from vehicle. passenger hopped over the driver seat to press on brake pedal to stop vehicle. at same time, driver turned around and notice…”
2026-08-06 · Suspension“ongoing issues with steering pull to right, and brake pull to hard right when applying brakes, which also turns steering wheel to right upon application. have to keep steering wheel towards left with constant pressure to go in straight line and when braking. driver has to be aware of changing road conditions that could affect that. multiple inspect…”
2026-07-27 · Tires“no incident occurred. tire size 275/65r20. tire pressure fluctuating between 59 and 71 psi. 3 of 4 tires appear to have a defect. was detailing the vehicle on 7/26/26 and noticed a tear in the side wall on the passenger side rear tire. about 3/4" to 1 inch away from the rim along the sidewall. running parallel with the rim for about 4". found simil…”
2026-07-24 · Electrical System · 9,000 mi · 🔥 fire“the contact called on behalf of an insurer who owns a 2026 gmc sierra 2500. the contact stated that 15 minutes after the vehicle was parked and turned off, a neighbor informed the owner that the vehicle had caught on fire. the owner and the neighbor extinguished the fire using water hoses. the contact stated that the fire originated under the rear …”
2026-05-26 · Tires“dot ah9k82 3425 lt265/70r17 121/118q all four brand new tires on my brand new truck have bulges on the sides of the tires. the truck feels floaty and unsafe at highway speeds. the car dealership is saying it’s fine, won’t replace them, and says it’s a known issue with the tire. …”
2026-05-15 · Steering“i recently purchased my vehicle from big star dealership in baytown tx. at a little over 1000 miles i was towing a camper. the vehicle stalled, fuel pouring from engine. it was towed and repaired due to fuel pump failure. at a little over 3000 miles the vehicle would not start. dealership initially said water contamination then changed it and …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.