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Home >> Volvo >> 2021 >> XC40 T4 R-Design >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Controls - Design >> Engine Control Module >> Engine Control Module (ECM) (4/46) [2018-2020 | 2021-2022, B4204T18 | 2021-2022, B4204T47] >> Diagnostic Information
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Diagnostic Information

The Engine Control Module (ECM) has a built-in diagnostic system, which continuously monitors the control module, as well as the input and output signals. It has readable parameters.