1.8 LITER. from VIN 3BW188746. A module in a vehicle used to monitor and control many components of the vehicle's engine management system. From Chassis/VIN 3BW150001. From Chassis/VIN 8D-W-043 001. CONTOUR. Unit. ECC. Engine Control Computer. Engine Control Module (ECM). Engine Control Unit (ECU). General Purpose Embedded Control Unit. Powertrain Control Module.