The use of self-driving vehicles is becoming more and more significant in last few years. The fact that the vehicles are self-driving can lead to greater difficulties in identifying failure and anomalous states, since the operator cannot rely on its own body perceptions to identify failures. VANET turns every participating vehicle into wireless sensor nodes and which allowing vehicles to communicate with each other, create a network with wide range. VANET is no centralized infrastructure due to which it is vulnerable to various security attacks.