Forward Collision Avoidance Problems of Kia Motor Optima

The contact owns a 2019 kia Optima. The contact stated while starting and driving at an undisclosed speed, the "check blind spot collision warning system" and "check forward collision avoidance assist system" messages became displayed. The abs, traction control, and several other unknown warning lights were illuminated. The vehicle was taken to the dealer, who retrieved dtc codes: c121002 and c121102. The dealer replaced the rear wheel speed sensor. The manufacturer was not made aware of the failure. The failure mileage was approximately 20,000.

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The contact owns a 2017 kia Optima. The contact stated while driving 40 mph, the "check high beam assist system" and "check lane departure system" messages were displayed. The forward collision avoidance warning light and an unknown warning light were illuminated. The contact stated that the failure had been recurring while starting the vehicle. The vehicle was taken to the dealer, where it was diagnosed that the front view camera needed to be replaced. The manufacturer was notified of the failure, and a case was opened; however, no assistance was provided. The failure mileage was 39,715.

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The contact owns a 2019 kia Optima. The contact stated that while driving at an undisclosed speed, the oil pressure warning light illuminated. The contact stated that shortly afterwards, the check engine warning light illuminated, and the vehicle started losing motive power while attempting to accelerate. The contact stated that the vehicle was shuddering and jerking while driving. The contact also stated that the forward collision avoidance sensors activated inadvertently while driving or the vehicle was parked. The vehicle was taken to a local dealer where it was diagnosed with excessive oil consumption and the contact was advised that the failure with the forward collision avoidance sensors was the regular function of the vehicle. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 57,813.

The contact owns a 2019 kia Optima. The contact stated that while her son was driving at an undisclosed speed, the forward collision avoidance system inadvertently activated, prompting the vehicle to inadvertently stop. The contact stated that there was no other vehicles or objects nearby during the failure. The vehicle was taken to the dealer, who advised the contact that an unknown obstruction on the forward collision avoidance sensor had possibly caused the inadvertent activation. The vehicle was not repaired. The manufacturer was not notified. The failure mileage was 54,000.

The contact owns a 2019 kia Optima. The contact stated upon starting the vehicle, the forward collision avoidance warning light was illuminated. The vehicle was taken to an independent mechanic, who could not duplicate the failure. The dealer was notified of the failure and informed the contact that the vehicle could not be repaired under NHTSA campaign number: 19v539000 (forward collision avoidance) since the VIN was not included. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and referred the contact to the dealer. The failure mileage was approximately 99,000.

The contact owns a 2014 kiia Optima. The contact stated they had taken the vehicle in to be repaired under a recall (number unknown) requiring a system update. The contact stated after receiving the remedy while driving approximately 45 mph when the brakes suddenly applied themselves without anything or persons to trigger the system to do so. The contact was able to coasted till they were able to press the accelerator and proceed forward. The warning lights to check the forward collision system, traction control abs system and blind-spot system had illuminated. The contact took the vehicle to the dealer again who confirmed the recall failure was the cause of the failure. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 64,000.

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