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Home >> Volvo >> 2008 >> S40 T-5, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Transmission - Design And Function (644 Body)) >> Diagnostic Functions (Aw55-50/51SN; 2001-2004) >> Transmission control module (TCM) diagnostic functions >> Diagnostic trouble codes (DTCs)

Diagnostic trouble codes (DTCs)

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

The control module will store a diagnostic trouble code (DTC) if it detects a fault. If a fault disappears for any reason after the diagnostic trouble code (DTC) has been permanently stored in the control module, information about the fault remains stored in the control module.

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