Exhaust System Emission Control Urea Injection System (def) problems of the 2024 Chevrolet Silverado 1500

The contact owns a 2024 Chevrolet Silverado 1500. The contact stated while driving 65 mph and hauling a trailer, the "def empty, refill now" message displayed, while the diesel exhaust fluid (def) system was full. The failure reduced the power and speed. The vehicle was taken to the dealer and a second dealer, young GMC of burley (325 overland Ave, burley, id 83318), where it was determined that the diesel exhaust fluid (def) system would not function properly while hauling a trailer. The contact was informed that there were no repairs available for the vehicle. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 3,000.

The contact owns a 2024 Chevrolet Silverado 1500. The contact stated that the vehicle had been experiencing inaccurate def gauge readings since the purchase, and the failure mostly occurred while towing a camper or trailer. The contact stated that while driving 70 mph on the highway and hauling a camper, the message that the def tank was empty and needed to be refilled was displayed, and the vehicle went into limp mode and decelerated to 35 mph. The driver continued driving and pulled over to a safe location. The vehicle was taken to a dealer, where it was determined that the def tank needed to be replaced; however, the manufacturer denied authorization because the required preliminary procedures had not been completed. The manufacturer general motors llc was notified of the failure by phone. The failure mileage was approximately 4.