Reading And Erasing Diagnostic Trouble Codes
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2009 Volvo S60, 2008 Volvo S60, 2007 Volvo S60, 2006 Volvo S60, and 2005 Volvo S60. However, it is still accessible from the selected car via links, so may be relevant.
Stored diagnostic trouble codes can be read and erased using this facility.
Erasing diagnostic trouble codes can only be done when all the diagnostic trouble codes have been read at least once.