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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) >> Brake Control System (2001) >> ABS Diagnostic Functions >> Diagnostic Trouble Codes

Diagnostic Trouble Codes

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If the control unit detects a fault, it stores a diagnostic trouble code. If, for any reason, a fault disappears after the diagnostic trouble code has been permanently stored in the control unit, information about the trouble code still remains in the control unit.