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Home >> Volvo >> 2018 >> XC60 T5 R-Design >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls - Design >> Engine Control Module >> Engine Control Module (ECM) (4/46) [2018-2022] >> Connection And Communication

Connection And Communication

The Engine Control Module (ECM) is a:

For vehicles up to model year -2018 the Engine Control Module (ECM) communicates via propulsion CAN.

For vehicles from model year 2018- with a second generation VEA engine there is an extra private CAN between the Engine Control Module (ECM) and the Transmission Control Module (TCM). The control modules are also connected to propulsion CAN but primarily use the private CAN for their intercommunication.

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