LIN technology is , a serial communication system which is used for communicating only one signal, developed to substitute CAN network, Normally used for multi signal communiction. It is only single wire to make LIN communiction in order to make simple network that is not important speed.

In case of Oil Level sensor, ECM receives Engine Oil infromation such asamount of Engine Oil and temperature through the LIN.With the information received through the LIN, ECM controls warning lamp.

ECM sets this code when there is an error in LIN communication line.