2008-10. 4.2 LITER. to VIN 4E9009500. A module in a vehicle used to monitor and control many components of the vehicle's engine management system. To Chassis/VIN 4E-9-009 500. CONTOUR. Unit. ECC. Engine Control Computer. Engine Control Module (ECM). Engine Control Unit (ECU). General Purpose Embedded Control Unit. Powertrain Control Module.