Reading and erasing diagnostic trouble codes (DTCs)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic trouble codes (DTCs) stored in the control module can be read off using this function.
Diagnostic trouble codes (DTCs) must be read off at least once before they can be erased.