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Home >> Volvo >> 2021 >> S90 T6 Inscription >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Electrical Equipment - Design >> (Center Console Switch Module CCSM) >> Center Console Switch Module CCSM (4/222) [2017-2022] >> Diagnostic Information
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Diagnostic Information

The center console switch module CCSM does not have a built-in diagnostic system. The Infotainment Head Unit (IHU), Climate Control Module (CCM) and the Central Electronic Module (CEM) monitor and set DTCs and readable parameters for the components connected to respective control module.

The interior temperature sensor does not set any DTCs but has readable parameters for the sensor and readable and controllable parameters for the fan.