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Home >> Volvo >> 2021 >> S90 T6 Inscription >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Ignition And Control Systems - Design >> (Ignition Coil And Spark Plug) >> Ignition Coil And Spark Plug (20/3 - 20/6) [2017-2022, B4204T27 | 2018-2022, B4204T28 | 2021-2022, B420T] >> Connection And Communication

Connection And Communication

The ignition coil and spark plug component is directly connected to the Engine Control Module (ECM).