Cable assembly, connector, connector assembly and vehicle

The utility model provides a cable assembly, a connector, a connector assembly and a vehicle. The cable assembly comprises a cable and a crimping part, the cable comprises a wire and a shielding layer wrapping the wire, the crimping part comprises a first crimping part and a connecting arm which are connected, the first crimping part abuts against the shielding layer, and the connecting arm is used for being connected with the outside. According to the utility model, the problem that the electric connection between the cable shielding layer and the shell is unstable and even interrupted can be solved, and the stability and the anti-interference performance of the connector are greatly improved.