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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Electrical Components - Design And Function) >> Transmission Control Module (TCM) (TF-80SC; 2007-2014) >> Diagnostic Functions >> Diagnostic Trouble Codes
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Diagnostic Trouble Codes

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If the control module detects a fault then it stores a diagnostic trouble code. If a fault disappears for any reason after a diagnostic trouble code has been permanently stored in the control module then the information on the diagnostic trouble code remains in the control module.

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