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Home >> Volvo >> 2002 >> V70 XC >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Alarm System, Control Modules, Engine Management Systems - Design And Function >> Brake Control System (2002-2007) >> Diagnostic functions >> Diagnostic trouble codes (DTCs)
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Diagnostic trouble codes (DTCs)

If the control module detects a fault, a diagnostic trouble code (DTC) is set. Any fault detected during the last run cycle is defined as permanent. Other faults are defined as intermittent. A run cycle comprises ignition on, the car speed exceeding 10 km/h (20 km/h in XC90 with B8444S engine) and ignition off.

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