(O) PSP switch/circuit open - PSP
Error Code :519 CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each control unit shares information and links with other control units during operation (not independent).
After removing left rear wheel,found the wire connector of left rear wheel speed sensor is normal,no loosening.And then removed the connector to check the terninal is also normal.Used multimeter to detect the wire it works correctly,no short circuit,it was inferred that the left rear wheel speed sensor was damaged.