Car Speed (Transmission Control Module (TCM)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2013 Volvo C70, 2012 Volvo C70, 2011 Volvo C70, 2010 Volvo C70, and 2009 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
The value indicates the car's speed, calculated from the transmission speed, speed sensor and transmission input speed sensor and speed signal from the brake control module (BCM).