Electric Charge Air Compressor Module (ECCM) (4/328) [2021, B420T]: Description

The Electric Charge Air Compressor Module (ECCM) controls the speed of the E-charger. The ECCM is powered through the 48 V feed via the Mid Voltage Converter Module (MVCM). The Engine Control Module (ECM) provides the ECCM with speed information to the E-charger. The E-charger's primary function is to provide boost to the engine.