check to see if the vacuum line got knocked off your modulator valve on the side of the tranny. Also try replacing the modulator valve.
Hopefully it's that simple
[B][SIZE="3"]Jeep[/SIZE][/B] [I]–noun[/I] (jēp)
A Four wheel mechanized device surrounded by glass and metal designed for the frequent consumption of the owner/operator's money. Jeeps are also linked to diseases such as Jeep envy which can be diagnosed by unusual urges for items such as bigger tires,lift kits, shocks and AMC 401s. As well as the urge to pour money into more than one Jeep. Side effects may be spouse accruing numerous "honey-do's", as well as trips to inlaws. Grease under your nails, numerous trips to NAPA and junk yards, and spare parts in the attic may indicate an addiction. There are no known cures. However there are support groups such as JeepForum.com