According to the official information of Chezhihui, the blue light flashes normally to indicate sending data, the blue light is always on to indicate that the firmware is faulty, and the white light is always on. At present, most OBD module failures occur in indoor or underground parking lots.
Che Zhihui, the trademark brand applied by Guangzhou Yamei Information Technology Co., Ltd., has developed hardware and platforms such as in-vehicle intelligent terminal, cloud service platform, big data analysis platform and mobile client app.