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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Alarm, Electrical Control Modules, Brakes, Brake Control Module (BCM) - Design And Function >> Accessory USB Unit (AUU) >> Diagnostic Functions >> Diagnostic Trouble Codes (DTCS)
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Diagnostic Trouble Codes (DTCS)

A diagnostic trouble code is stored if the control module detects a fault. There are approximately 5 diagnostic trouble codes for the accessory USB unit (AUU). A fault detected in the most recent driving cycle is defined as permanent. Other faults are defined as intermittent.

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