Zero Point Calibration Toyota 4 Runner . These steps are necessary for the correct and accurate repair of VSC related systems. Toyota said it was my bad driving habits. Toyota 4runner Zero Point Calibration (Sadie Hudson) AB- Toyota Ghost Wheelers AR- Razorback Land Cruisers Many of the Tundra owners have needed this calibration after suspension mods and larger tires. These steps are necessary for the correct and accurate repair of VSC related systems. This worked for me and I made to sure to thoroughly test. When driving, the current vehicle position mark will be automatically corrected by GPS signals. This worked for me and I made to sure to thoroughly test. 2002 Toyota 4runner zero point calibration Yaw Rate and Acceleration Sensor Zero Point Calibration ... One cause & fix for "VSC TRAC" & "VSC OFF" lig...