RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo VIN A (2007)
Transmission Control System Relay: Description and Operation
AS68RC Automatic Transmission
Description
DESCRIPTION
AS68RC Automatic Transmission
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 TIPM, and is used to supply power to the TCM when the transmission is in normal operating
mode.
Operation
OPERATION
The TIPM energizes the transmission control relay. When the relay is "off", no power is supplied to the TCM and the transmission will not operate.