Relay, Transmission Control: Description: Description
WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Due to different power control configurations, the Transmission Control Relay (if equipped) may be referred to as a PCM relay.
The relay is supplied fused B+ voltage, energized by the TCM, and is used to supply power to the solenoid pack when the transmission is in normal operating mode.