The brake disc temperature
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
Front brake disc temperature.
Measurement range: 0.0-450°C (32-842°F)
The control module derives the brake disc temperature depending on the length of time the anti-spin system has been operating or the ABS has been activated.