Tl* the contact owns a 2001 toyota tacoma. the contact stated that while driving various speeds, the vehicle would vibrate. the engine warning light illuminated. during routine maintenance at an independent mechanic informed the rear frame was cracked. the failure appeared to be related to nhtsa campaign number: 12v542000 (tires). the vehicle had not been repaired. the dealer and manufacturer were not made aware of the failure. the failure mileage was 236,000.
Vehicle accelerates suddenly to high speed while in operation without operator action.