NHTSA (USA)Critical
1993 FORD F-150NHTSA Campaign #93V089000
The official notice
Defect
THE TRANSFER CASES HAVE BEEN BUILT WITH THE WRONG ELECTRIC SHIFT MOTOR. THE TRANSFER CASES CAN SLIP OUT OF THE 4 X 4 HIGH GEAR POSITION DURING COASTING IN FORWARD GEARS OR WITH POWER APPLIED IN REVERSE GEAR.
Safety Risk
IF THIS OCCURS, THE VEHICLE CAN ROLL FREELY AS IF INNEUTRAL POSITION REGARDLESS OF THE TRANSMISSION GEAR SELECTOR POSITION. THIS CANRESULT IN LOSS OF VEHICLE CONTROL AND AN ACCIDENT.
Remedy
REPLACE DEFECTIVE TRANSFER CASES WITH THE CORRECT VERSION.
Updated June 10, 2026