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Home >> Volvo >> 2008 >> XC70 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Electrical Modules And Components - Design And Function - 1 Of 5 >> Accessory USB Unit (AUU) (2008-2011) >> 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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