Williams Controls Accelerator Pedals

What NHTSA is examining

On April 26, 2011, Pierce Manufacturing, Inc. (Pierce) notified the NHTSA that it had decided certain Pierce fire trucks, manufactured between June 22, 1999, and May 12, 2008, contain a safety related defect. Pierce stated that certain model year 1999 through 2008 Arrow XT, Dash, Lance, and Enforcer vehicles contain a Williams Controls, Inc. (Williams Controls) suspended electronic accelerator pedal that may become bent after repeated use with excessive force. If the pedal arm bends far enough, the pedal may contact the cab floor without warning and stick in the full throttle position. If the accelerator pedal becomes stuck, the operator may lose control of the vehicle increasing the risk of a crash. This issue was assigned recall number 11V-255.On May 12, 2011, RMD mailed an information request (IR) letter to Williams Controls requesting a list of customers who purchased the same or similar defective accelerator pedals.Williams Controls responded to RMD's IR letter on June 9, 2011 with a list those companies who purchased the same accelerator pedal.The list was submitted to NHTSA's Office of the Chief Counsel under a request for confidentiality.Williams Controls' response letter outlined several key points.First, it was noted that these pedals, item number 131507, are generic parts that are purchased by engineering staffs in accordance with their own specifications.According to Williams Controls, Pierce modified their purchased pedals post-purchase and this modification…

Vehicles under investigation