RAM 3500 HD Truck 4WD L6-6.7L DSL Turbo (2008)
Control Module: Description and Operation
Transmission Control Module - Description
DESCRIPTION
On gasoline vehicles the Transmission Control Module (TCM) (2) may be sub-module within the Powertrain Control Module (PCM) (3).
Vehicles equipped 68RFE transmission and a 6.7L Diesel engine, the TCM is housed in the NGC4 controller utilizing only the C1 and C4 connectors
(TCM only). The controller is located at the rear of the engine compartment, near the right inner fender.