2006 Ford E450 Transmission issue
Traveling over the Rocky Mts in 100 degree heat the transmission fan ran occasionally. After a stop for lunch the transmission ran when we started up and went into limp mode when we tried to accelerat...
Forum Discussion
Tom_Anderson wrote:
It's an "O/D Off" button. I have one on my 2002 F-250 with a 4R100 transmission, too. The Tow/Haul mode wasn't a thing until the 5R110W transmission was introduced.
The OPs rig is a 2006 model. IIRC the 5R110W was being used in the E-series by then.
