NHTSA Complaint #11447499 — 2013 HYUNDAI SONATA HYBRID

The contact owns a 2013 Hyundai Sonata Hybrid. The contact stated while driving 35 MPH, the warning message "Pull Over and Stop" illuminated and the vehicle began to stall. The contact veered to the side of the road in the intersection and turned off the vehicle. The contact stated that he was able to restart the vehicle; however, the vehicle was shuddering increasingly, and white smoke was coming out of the exhaust while driving. The contact was able to drive to his residence. The contact received a recall notification of an unknown recall and the vehicle was taken to the dealer who updated the electronic control module to improve the Knock Sensor Detection System (KSDS) logic. The contact stated that after the recall repair was completed, the failure increased significantly. The dealer was notified of the failure and the vehicle was taken to the dealer who completed an oil change but had not diagnosed the vehicle. The dealer stated that the failure was related to an unknown recall. The manufacturer was not notified of the failure. The vehicle was not diagnosed or repaired. The failure mileage was approximately 130,000.