download This bulletin contains the procedure needed to properly calibrate the Steering Angle Sensor on the 2000 and 2001 model year Avalon vehicles with Vehicle Skid Control (VSC) System. This information supplements the Repair Manual procedures when correcting “VSC” and “VSC OFF” lights caused by any of the following conditions Adjusting tie rods for a steering wheel off center. Performing a four – wheel alignment. Improper calibration of the steering angle sensor. Replacement of the steering angle sensor. Replacement of the VSC ECU.