Which parts fail
Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2024 Chevrolet Silverado 2500 owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated that while hauling a travel trailer at various speeds, the check trailer wiring warning message intermittently flashed on the instrument panel. The contact had taken the vehicle and the travel trailer to the respective dealers; however, neither dealer were able to determine the cause of the failure. Upon investigation, the contact discovered a TSB: 23-NA-113 which he linked to the failure. The bulletin stated that the travel trailer brake might become disabled due to a solar panel battery charger. The contact stated that whenever the trailer battery was fully charged and had a higher charge than the vehicle's battery, there could be a back feed into the trailer brake power module causing a shutdown. The manufacturer was notified of the failure but offered no assistance. The vehicle was not repaired. …
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated that after turning off the vehicle with a trailer hitched to the vehicle, the trailer brake lights failed to turn off. The contact disconnected the trailer from the vehicle for the trailer brake lights to turn off. Additionally, the electric trailer brakes and turn signals intermittently failed to function properly. The vehicle was taken to the dealer; however, the dealer could not determine where the wiring harness 120-Volt power was going and was unable to repair the vehicle. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 45,000.
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated while the vehicle was stationary, being driven, or parked, the audible alerts failed to operate as needed. The contact stated while the vehicle was stationary, the audible chime failed to sound whenever the doors were opened, or the seat belt buckle was unlatched. No warning light was illuminated. The vehicle was then taken to a dealer where it was diagnosed with an intermittent loss of audio. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 7,400.
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated that while driving with a travel trailer attached to the vehicle, the braking system intermittently failed to operate while depressing the brake pedal. The contact stated that the "Check Trailer Wiring" message was displayed on the instrument panel and then followed by the "Trailer Brakes Connected," message. The vehicle had been taken to a dealer; however, no defect was found with the vehicle. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was 1,700.
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated while driving at various speeds, the message "Check Trailer Wiring - Trailer brakes Disconnected" was displayed on the instrument panel. The contact stated that the failure caused the trailer brakes to fail to engage as needed. The vehicle had been taken to the dealer and it was confirmed to be a known failure however, the cause of the failure was not found. The vehicle had not been diagnosed or repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 1,000.
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated while driving at an undisclosed speed and towing a trailer, the trailer brake lights became inoperable. The service trailer brake system warning light was illuminated. The vehicle was taken to the dealer several times; however, the failure could not be duplicated. The vehicle was not repaired. The contact stated that the trailer was replaced with another trailer; however, the failure reoccurred. The manufacturer was not made aware of the failure. The failure mileage was approximately 26,000.
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated that the trailer brake control module failed to operate as needed while hauling a trailer, causing the trailer to lose braking capability. The vehicle was taken to a local dealer where it was diagnosed, and the contact was advised that the trailer control module was faulty and needed to be replaced. The vehicle was repaired; however, the failure persisted. The manufacturer was notified of the failure. The approximate failure mileage was 63,500.
The contact owns a 2024 Chevrolet Silverado 2500 used for hauling a 2024 Grand Design RV. The contact stated that on several occasions while towing the trailer, the messages that the "Trailer Brakes Disconnected "and "Trailer Brakes Reconnected" were displayed but disappeared every 5 minutes. The vehicle was taken to the dealer; however, the failure could not be replicated. The manufacturer was notified of the failure. The failure mileage was approximately 2,000.
The contact owns a 2024 Chevrolet Silverado 2500. The contact stated while driving 65 MPH hauling a trailer, the brake control disabled message was displayed. There were no warning lights illuminated. The contact decelerated. The vehicle was taken to the local dealer, who was unable to duplicate the failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 7,000.
Driving down the highway at 60mph, dash started blinking for trailer brake service needed. Was not trailering anything. Within 3 seconds I had smoke filling the cab, pulled over and got out. Within 3min truck was fully engulfed totally gone. God forbid I was alone but even at that I did not have time to get many things out and keep imagining what a different day I'd be looking at if there were kids with me.
Electrical complaints in other Silverado 2500 years
Frequently asked questions
How common are electrical problems on the 2024 Chevrolet Silverado 2500?
NHTSA has 55 complaints about the electrical system of the 2024 Chevrolet Silverado 2500, 38% of the model year's 143 complaints. The component named most often is integrated trailer brake control (9 mentions).
Is there a recall for 2024 Chevrolet Silverado 2500 electrical problems?
No. NHTSA lists no electrical system recall for the 2024 Chevrolet Silverado 2500, though it has 4 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2024 Chevrolet Silverado 2500 electrical problems start?
Half of the complaints with a recorded mileage happened before about 7,000 miles, and 67% before 25,000 miles.
Is it dangerous?
Owners linked 0 crashes, 1 fire and 0 injuries to electrical system problems on this model year. If you notice symptoms, have the car checked before driving further.
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.