July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Non-Driven Wheel Speed
Display shows MPH/km/h from 0 to 158 MPH, 0 to 255 km/h. This display is the non-drive (rear) wheel speed sent to the EBTCM, used for traction control and Anti-Lock braking and is monitored by the PCM.