My 03 chrysler town and country gives a PO732 core

Probably not but start by checking the transmission fluid. A low fluid level could cause this code. Alex

Link below will provide code definition and possible causes: http://www.autocodes.com/p0732_chrysler.html Hands-on testing will be required by qualified personnel.

Your code is transmission related incorrect gear ratio there are two sensors input and output sensors and if one of them is misbehaving this code will sometimes present itself further testing would be required to give you the exact diagnosis feel free to call us for a no-charge estimate at 860-265-3630 if we can be of further assistance to you