WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Transmission Connectors
Courtesy of CHRYSLER GROUP, LLC
1 - SOLENOID PACK CONNECTOR
2 - INPUT SPEED SENSOR CONNECTOR
3 - OUTPUT SPEED SENSOR CONNECTOR
4 - TRANSMISSION RANGE SENSOR CONNECTOR
Disconnect battery negative cable.
Raise vehicle on hoist.
Disconnect output speed sensor connector (3).
Fig 2: Output Speed Sensor
Courtesy of CHRYSLER GROUP, LLC
1 - OUTPUT SPEED SENSOR
Unscrew and remove output speed sensor (1).
Fig 3: O-Ring Location
Courtesy of CHRYSLER GROUP, LLC
1 - OUTPUT SPEED SENSOR
2 - O-RING
Inspect speed sensor O-ring (2) and replace if necessary.