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Home >> Volvo >> 2011 >> S40 T-5 R-Design >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Miscellaneous Components - Design And Function (544 Body) >> Traffic Message Channel Module (TMC) (2004-2007) >> Diagnostic Functions >> Diagnostic Trouble Codes (DTCS)

Diagnostic Trouble Codes (DTCS)

A diagnostic trouble code (DTC) is stored if the control module detects a fault.

If for some reason a fault disappears after the diagnostic trouble code (DTC) has been permanently stored in the control module, information about the fault is stored in the control module.