One problem related to automatic transmission has been reported for the 2006 Ford E-550. The most recently reported issues are listed below.
The contact owns a 2006 Ford lc f-550. The contact stated when driving at any speed of at least 40 mph, the vehicle would independently shift into neutral. The dealer performed a diagnostic yet was unable to duplicate or produce any failure codes for the vehicle. The failure persisted. The vehicle was not repaired. The failure mileage was 300 and the current mileage was 32,000. Updated 09/24/10. Updated 09/24/10.