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Home >> Volvo >> 2012 >> XC90 Base, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Electrical Components - Design And Function >> Transmission Control Module (TCM) (TF-80SC; 2007-2014) >> Diagnostic Functions >> Notes
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Diagnostic Functions: Notes

GENERAL 

The control modules have a built-in diagnostic system, Volvo Diagnostics, which continuously monitors its own system as well as the input and output signals.

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