Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Electric Charge Air Compressor Module (ECCM) (4/328) [2020-2022]: 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.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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