Brand‑new 2026 Nissan Armada suffered catastrophic engine failure at under 5,000 miles. Fault codes P21A1, P0019, P0326, and P219C were identified by an ASE Master Technician. Technician warned of internal mechanical failure and a risk of fire or explosion. Vehicle became undriveable and was towed to the dealership. Technician instructed that the engine should not be started due to safety risk.

The contact owns a 2026 Nissan Armada. The contact stated that while driving at an undisclosed speed, the infotainment center independently blinked on and off. The rear-view camera displayed an error message of the rear wheels. The accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact stated that the failure had occurred while driving forward or while reversing. Additionally, the transmission was sluggish. The vehicle was taken to the dealer, where it was diagnosed with a failure of the radio. The contact was informed that an unknown recall was performed prior to the contact purchasing the vehicle. The contact was informed that the recall repair was improperly performed and had caused the failure of the AWD system. The contact was informed that a software update was needed, and the AWD system needed to be reset. The vehicle was repaired; however, the failure reoccurred. The failure reoccurred while out of state on a work assignment. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure, and a case was filed. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 3,500.