Accelerator Pedal Problems of Buick Lacrosse

The contact owns a 2018 Buick Lacrosse. The contact stated the hand controls were not working properly. While driving, the accelerator pedal was depressed, but the vehicle failed to respond. The engine power reduced message was displayed, and the check engine warning light was illuminated. After several attempts, the codes were reset, and the vehicle worked as designed. The contact linked the failure to the special coverage campaign: n182188250. The vehicle was taken to an independent mechanic who disconnected the hand controls and informed the contact that the controls were operating as designed. The vehicle was taken to the local dealer, where it was diagnosed, and determined that the accelerator pedal position sensor needed to be replaced. The vehicle was repaired, but the failure recurred. While driving at 55 mph, the vehicle lost motive power and decelerated to 15 mph. The message “engine power reduced” was displayed, and the check engine warning light was illuminated. The vehicle was taken back to the same local dealer, where it was diagnosed and determined that the accelerator pedal position sensor needed to be replaced; however, the failure persisted. The manufacturer was contacted, and referred the contact to the NHTSA hotline to report the failure. The failure mileage was approximately 26,600.

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The contact owns a 2010 Buick Lacrosse. The contact stated that the accelerator pedal was haphazardly depressed as the contact attempted to depress the brake pedal. The contact mentioned that the brake pedal and the accelerator pedal were too close in proximity. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 49,000.

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