Kia Motor Optima owners have reported 1 problem related to propulsion system traction battery management system/energy control module (bms/becm) (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Kia Motor Optima based on all problems reported for the Optima.
The contact owns a 2015 kia Optima. The contact stated that while driving approximately 75 mph the vehicle lost power and the check engine light was illuminated. The vehicle was parked at the residence. The vehicle was taken to an independent mechanic where it was diagnosed that a handheld diagnostic machine provided code: p1326 where the knock sensor needed to be replaced. On another occasion, while driving at 20 mph, the vehicle stalled. The contact attempted to start the vehicle again but observed smoke and flames emanating from the engine compartment and exited the vehicle. The fire department extinguished the fire. A police report was filed. The vehicle was towed to a dealer where it was diagnosed that the knock sensor needed to be replaced. The manufacturer was notified of the failure. The failure mileage was 152,451.
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