1997-00. 1998-00;. 2.4 LITER. 2.7 liter. manual trans. A module in a vehicle used to monitor and control many components of the vehicle's engine management system. To 06/1997. Computer, REMANUFACTURED TCCS. ECC. Engine Control Module (ECM). Engine Control Unit (ECU). General Purpose Embedded Control Unit. Powertrain Control Module.