The TPM Scan Tool Data Definitions contain a brief description of all the TPM scan tool parameters.

Auto Learn Mode Active: The scan tool displays Yes or No. The scan tool displays if TPM is currently in learn mode. The EBCM will be in learn mode after replacement or after the reset switch is activated.

LF Wheel Speed: The scan tool displays 0-255 km/h or 0-158 mph. The scan tool displays the actual speed of the left front wheel.

Low Tire Pressure: The scan tool displays Yes or No. The scan tool displays whether or not the tires should be checked for proper air pressure.

LR Wheel Speed: The scan tool displays 0-255 km/h or 0-158 mph. The scan tool displays the actual speed of the left rear wheel.

Monitor Mode 1: The scan tool displays Active or Inactive. TPM autolearn is partially complete and reduced tire pressure monitoring capability is available. Only a large pressure loss within a tire will set the TPM light during this mode.

Monitor Mode 2: The scan tool displays Active or Inactive. TPM autolearn is complete and full tire pressure monitoring capability is available during this mode.

RF Wheel Speed: The scan tool displays 0-255 km/h or 0-158 mph. The scan tool displays the actual speed of the right front wheel.

RR Wheel Speed: The scan tool displays 0-255 km/h or 0-158 mph. The scan tool displays the actual speed of the right rear wheel.

TPM Equipped: The scan tool displays Yes or No. The scan tool displays if vehicle is equipped with TPM or not.

TPM Failed: The scan tool displays Yes or No. The scan tool displays if ABS is disabled due to a malfunction.

TPM Reset Switch: The scan tool displays Pressed or Released. The scan tool displays if the tire inflation monitor reset switch is currently being depressed by the driver.

Vehicle Speed: The scan tool displays 0-255 km/h or 0-158 mph. The scan tool displays the vehicle speed.