2025 Chevrolet Silverado 3500

The vehicle was driven to a job site in Gowanda NY. The computer indicated it neede to clean the exhaust filter. The truck was parked in an open area on a blacktop parking area. The truck finished a Regen approximately 30 minutes later. The vehicle was shut down and left unattended. Approx 30 minutes later, the driver, heard noises, came around a structure and saw the vehicle was on fire. The driver did attempt to use a fire extinguisher to no avail. They then called 911 and the fire department was dispatched. The department put out the fire but the vehicle is a total loss. As this was a work site, the vehicle was towed to our shop and stored inside. The inland marine insurance company hired a fire investigator, and they looked at the vehicle. They determined the fire originated on the lower firewall in the engine compartment. He paused his investigation, to await a representative of GM to be present for destructive analysis to determine exact cause. The GM case number is XXX. This vehicle had errored multiple times and did Regen every 2-300 miles. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

>Exhaust fumes are returned back in to the cab of the truck. >Exhaust fumes, particularly from diesel engines, are highly dangerous, containing carbon monoxide, nitrogen oxides, and fine particles that can cause severe respiratory illnesses, cardiovascular disease, and cancer. Short-term exposure leads to dizziness, headaches, and nausea, while long-term exposure can be fatal or cause lasting lung damage. >Truck was taken to dealer and verified by service to be an issue. I have attached the paperwork from that appointment. >The truck was fixed by the dealer and retuned with no initial exhaust smell. The exhaust fumes have began to enter the cab of the truck again. We have contacted a new dealership service department to have the truck inspected they have given us an appointment in a week from today.