One problem related to check engine light on has been reported for the 2013 Infiniti QX56. The most recently reported issues are listed below.
Tl the contact owns a 2013 Infiniti Qx56. The contact stated while driving 55 mph, the vehicle misfired and stalled. The check engine warning light was illuminated and flashing. The vehicle was towed to willis Infiniti (2101 NW 100th st, des moines, IA 50325, 855-638-2280) and was diagnosed that the transmission was faulty. The vehicle was not repaired. The manufacturer was contacted however, no further assistance was provided. The failure mileage was 118,000.