One problem related to appliance air conditioner has been reported for the 2019 GMC Sierra 3500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2019 GMC Sierra 3500 based on all problems reported for the 2019 Sierra 3500.
The contact owns a 2019 GMC Sierra 3500. The contact stated that while operating the vehicle with the air conditioner on and blowing air the occupants had experienced an acid/chemical burning sensation to the eyes and throat. The failure was intermittent and had affected multiple occupants. The vehicle was taken to the local dealer who was unable to duplicate the failure and no service was performed. The manufacturer was also contacted. The failure mileage was 27,000.