Most common 2024 GMC Sierra 3500 problems
Share of the 50 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
GMC Sierra 3500 complaints by model year
Best Sierra 3500 years: 2012, 2014, 2013. Years to avoid: 2024, 2020, 2023, 2025, 2022. Compare all years →
2024 GMC Sierra 3500 recalls (3)
Latches/locks/linkages › Tailgate › Latch
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado HD 2500, 3500, and GMC Sierra HD 2500, 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle…
Remedy: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed December 17, 2024.
Latches/locks/linkages › Tailgate › Latch
General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle…
Remedy: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024.
Steering
General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles. The steering gear shaft may fracture and disconnect from the steering arm.
Remedy: Dealers will inspect and replace the steering gear, if necessary, free of charge. Owner notification letters were mailed September 22, 2023.
What 2024 GMC Sierra 3500 owners say
Electrical system
The contact owns a 2024 GMC Sierra 3500. The contact stated while driving at approximately 60 MPH and towing a Forest River Riverstone Legacy 5th Wheel trailer, the brake pedal was depressed to slow for oncoming stopped traffic; however, the vehicle failed to respond as needed with the "Service Trailer Brake" warning light illuminated. The contact was able to stop however, the brake pedal had to be depressed to the floorboard to slow the vehicle. The contact had taken the vehicle to a local dealer and was made aware of Customer Satisfaction Program: N232414840 - and replaced the Trailer Brake Power Module (TBPM). The vehicle was repaired; however, the failure reoccurred. The contact returned the vehicle to the same dealer and the Trailer Brake Power Module was replaced a second time. The vehicle was repaired; however, the failure reoccurred. …
The contact owns a 2024 GMC Sierra 3500. The contact stated while driving at various speeds and hauling a trailer, the message "Trailer Brake Disabled - Service Required" was displayed. The vehicle was taken to the dealer, where it was diagnosed and determined that the failure was related to TSB Number: 23-NA-113; however, the part to do the repair was not yet available. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 2,390.
Transmission & drivetrain
The contact owns a 2024 GMC Sierra 3500. The contact stated that while driving at 30 MPH, there was a loud pop and the vehicle jolted, after which the vehicle started to lose motive power. The contact was able to pull over to the shoulder of the roadway, where the failure persisted. The check engine warning light was illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the transmission valve body. The vehicle was not repaired due to a lack of parts availability. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 63,000.
The contact owns a 2024 GMC Sierra 3500. The contact stated that while driving on the highway at 50 MPH, the vehicle lost automotive power and failed to exceed 50 MPH. The contact stated that the check engine warning light was illuminated. The vehicle was taken to a local dealer where the vehicle was diagnosed, and the contact was informed that the transmission valve body was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 36,000.
Brakes
The contact owns a 2024 GMC Sierra 3500. The contact stated while driving at approximately 60 MPH and towing a Forest River Riverstone Legacy 5th Wheel trailer, the brake pedal was depressed to slow for oncoming stopped traffic; however, the vehicle failed to respond as needed with the "Service Trailer Brake" warning light illuminated. The contact was able to stop however, the brake pedal had to be depressed to the floorboard to slow the vehicle. The contact had taken the vehicle to a local dealer and was made aware of Customer Satisfaction Program: N232414840 - and replaced the Trailer Brake Power Module (TBPM). The vehicle was repaired; however, the failure reoccurred. The contact returned the vehicle to the same dealer and the Trailer Brake Power Module was replaced a second time. The vehicle was repaired; however, the failure reoccurred. …
The contact owns a 2024 GMC Sierra 3500. The contact stated that while driving at an undisclosed speed, the front and rear brake caliper hoses collapsed. The failure caused a complete loss of braking ability. No warning lights illuminated. The vehicle was taken to a dealer where it was diagnosed that a brake hose failure caused the brake caliper hoses to collapse, impacting the brake caliper pistons. The manufacturer was made aware of the failure. The failure mileage was approximately 58,000.
Frequently asked questions
Is the 2024 GMC Sierra 3500 a good car?
Based on 50 owner complaints filed with NHTSA, the 2024 Sierra 3500 rates avoid: 8.4× as many complaints as a typical year of the Sierra 3500 at the same age. It is one of the Sierra 3500 years we suggest avoiding. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2024 GMC Sierra 3500?
The electrical system — 15 complaints, 30% of all complaints for this model year, most often about integrated trailer brake control. Next are the transmission & drivetrain (13) and brakes (11).
How many recalls does the 2024 GMC Sierra 3500 have?
There are 3 recalls for the 2024 GMC Sierra 3500, the most recent from November 26, 2024 (latch). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the GMC Sierra 3500?
The best years by complaints, compared at the same age, are 2012, 2014 and 2013. Years to avoid or approach with caution: 2024, 2020, 2023, 2025 and 2022. See the full GMC Sierra 3500 years comparison.
At what mileage do 2024 GMC Sierra 3500 problems happen?
The median mileage reported in complaints is about 36,000 miles; 67% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.