Accelerator Pedal problems of the 2009 Lexus IS250

The contact owns a 2009 Lexus is 250. The contact stated that while at a full stop, he shifted into reverse and there was an abnormal increase in engine rpms. He then shifted into park and shut off the vehicle. After restarting, the vehicle resumed normal operation. The contact stated that weeks prior to the failure, repairs were made to the accelerator pedal under NHTSA campaign id number: 09v388000 (vehicle speed control: accelerator pedal). The contact called the manufacturer regarding the failure and was awaiting a return call. The vehicle was not further repaired. The failure and current mileages were approximately 5,000. Updated 09/10/10. Updated 09/16/10.