Identification Of System
WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
The 45RFE/545RFE Transmission family can be identified by confirming the presence of a 23 pin electrical connector on the left-hand side of the transmission oriented vertically near the manual lever. Refer to the service information for transmission ID descriptions.