PE00 020; CONSUMER WAS TRAVELING ABOUT 70MPH ON HIGHWAYAND HEARD A BUMPING NOISE. HE DID LOSE CONTROL OF VEHICLE, BUT WAS ABLE TO STEER TO SAFETY ONTO THE SHOULDERS. LEFT REAR TIRE TREAD SEPARATED. TIRE WAS A FIRESTINE #ATX, P23575R15. THERE WERE NO INJURIES, AND CONSUMER STATED THAT HE WILL CALL FIRESTONE RETAILER TODAY.*AK