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Home >> Volvo >> 2002 >> S80 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 7 (Control Modules - Design And Function - 1 Of 4) >> Central Electronic Module (CEM) (2005-2009) >> Diagnostic Functions >> Diagnostic Trouble Codes (DTCs)

Diagnostic Trouble Codes (DTCs)

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A diagnostic trouble code (DTC) is stored if the control module detects a fault. The control module can store up to 10 diagnostic trouble codes (DTCs). A fault which is detected in the most recent operating cycle is defined as permanent. Other faults which are detected are defined as intermittent.

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