2.0 LITER. auto trans. DIESEL. from VIN AJA028684. Sedan/Wagon. to VIN AJA028683. A module in a vehicle used to monitor and control many components of the vehicle's engine management system. From Chassis/VIN AJ-A-028 684. From Chassis/VIN AJ-A-253 582. To 05/31/2010. ECC. Engine Control Computer. Engine Control Module (ECM). Engine Control Unit (ECU). General Purpose Embedded Control Unit. Powertrain Control Module.