1. The entered frame number is incorrect: please check whether the entered frame number is correct. The frame number is located on the body or battery box of the electric vehicle and consists of a series of numbers and letters.
2. Network problem: Please check whether the network connection is normal or try to query in other network environments.
3. Database problem: Due to system or database maintenance, it is temporarily impossible to query vehicle information. You can try to inquire later, or contact the official customer service of Tailing Electric Vehicle for consultation.
4. Vehicle information not entered: a new electric vehicle was purchased, and the vehicle information was not entered into the system. You can contact the dealer or the official customer service of Tailing Electric Vehicle to inquire about vehicle information entry.