RAM 3500 Truck 2WD V8-5.7L VIN D (2003)
Transmission Control System Relay: Description and Operation
45RFE/545RFE Automatic Transmission
RELAY-TRANSMISSION CONTROL
DESCRIPTION
45RFE/545RFE Automatic Transmission
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.
