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Home >> Volvo >> 2007 >> S60 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Accessories Control Systems >> Control Modules - Design And Function - 2 Of 4 >> Differential Electronic Module (DEM) (Aw50/51 AWD; 2005-2009) >> Diagnostic Functions >> Diagnostic Trouble Codes (DTCs)
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Diagnostic Trouble Codes (DTCs)

A diagnostic trouble code (DTC) is stored if the control module detects a fault. Should a fault disappear for any reason after being permanently stored in the control module as a diagnostic trouble code (DTC), the information remains stored in the control module.