2005 JEEP WRANGLER SPORT. PURCHASED 4/17/2005. AUTOMATIC TRANSMISSION IS SHIFTING FROM 4RD TO 3RD AND FROM 2ND TO 1ST WITHOUT CONTROL, WHILE DRIVING, THEN REMAINS IN 1ST GEAR AND NO LONGER SHIFTS. 5 DAYS IN SHOP AND NOTHING WAS FOUND. 3200 MILES ON VEHICLE. DANGER OF POSIBLE LOSS OF VEHICLE CONTROL IS IMMINENT WHEN SHIFTING GEARS WITHOUT CONTROL. PROBABLE CAUSE OF MAJOR ACCIDENT. THIS PROBLEM HAS OCCURRED TWO TIMES.. GOING BACK TO SHOP. NO DTC CODE AVAILABLE. *JB