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Home >> Volvo >> 2004 >> S40 LSE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Miscellaneous Components - Design And Function (544 Body)) >> Subwoofer Module (Sub) (2004-2008) >> Diagnostic Functions >> Diagnostic Trouble Codes (DTCS)

Diagnostic Trouble Codes (DTCS)

WARNING: This page is about a different variant/trim than selected.

A diagnostic trouble code (DTC) is stored if the control module detects a fault. A fault which is detected in the most recent operating cycle is defined as permanent. Other faults are defined as intermittent.

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.

If a fault is no longer permanent, the diagnostic trouble code (DTC) remains as intermittent.

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