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Home >> Volvo >> 2021 >> V90 T6 R-Design >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Transmission - Design >> (Gear Selector Module) >> Gear Selector Module (GSM) (4/227) [2021, TG-81SC | 2018-2020, B4204T23, TG-81SC] >> Diagnostic Information
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Diagnostic Information

All diagnostic data is sent to the diagnostic tool via the Transmission Control Module (TCM). Diagnostic data can include error information, part numbers, calibration results, parameters, and so on.

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