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Home >> Volvo >> 2002 >> S80 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Control Modules - Design And Function - 4 Of 4) >> Transmission Control Module (TCM) (TF-80SC AWD; 2006-2007) >> Diagnostic Functions >> General

Diagnostic Functions: General

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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.