FORD 2015 E-450 - Manual (Page 182)

High Fluid Level
Fluid levels above the safe range may result in transmission failure.
An overfill condition of transmission fluid may cause shift and/or
engagement concerns and/or possible damage.
High fluid levels can be caused by an overheating condition.
H
C
Maintenance 181
2015 Econoline (eco)
Owners Guide gf, 1st Printing, June 2014
USA (fus)