Common problems with the Ford F-250 diesel engine transmission include failure of the break-shift interlock. Such a failure allows the transmission to shift into park without engaging the brake pedal.
Any 6.7-liter diesel engine trucks equipped with the 6R140 transmission may also suffer from calibration issues due to a problem with the transmission control software. This issues causes the transmission to display erroneous gear settings. Problems occur when shifting transmissions from park to drive, causing affected vehicles to display the drive setting for up to 1.5 seconds while the transmission is actually engaged in reverse. This issue may affect trucks manufactured between September 2013 and March 2014.