2024 GMC Sierra 3500 electrical system problems

Vehicle caught fire minutes after remote starting. Fire appears to have started on firewall on the left side. We were about to take our kids to school vehicle could have easily caught our house and other property on fire. We did have the check engine light come on occasionally but it would always turn back off, vehicle only had about 12000 miles. Also none of the outlets inside the vehicle never worked.

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.