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Home >> Volvo >> 2021 >> XC40 T5 R-Design >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Intake And Exhaust System - Design >> Catalytic Converter >> Catalytic Converter [2018-2022] >> Connection And Communication

Connection And Communication

The catalytic converter is part of the exhaust system. The oxygen sensors read the values of the oxygen before and after the catalytic converter. The oxygen sensors are directly connected to the Engine Control Module (ECM).