One problem related to automatic transmission has been reported for the 2006 Ford F-250. The most recently reported issues are listed below.
The contact owns a 2006 Ford f250 supercrew. The contact stated that the 4x4 high did not engage, the entire front end vibrated violently, and the 4x4 low was difficult to disengage. The vehicle was taken to a dealer five times, and the failure had not been diagnosed. The vehicle had not been repaired. The current mileage is 4,200 and failure mileage was 1,000.