What products can be installed on the OBD port?
2 Answers
Products that can be installed on the OBD port include car computers, navigation devices, rearview cameras, and 360-degree panoramic imaging systems. Below is additional information: 1. Benefits of connecting to the OBD diagnostic port: External devices only read data from the car computer via the OBD port and cannot write data, making it very secure. The OBD has protection, and writing data requires password matching, making illegal intrusion nearly impossible. 2. Disadvantages of occupying the car OBD port: External electronic products may affect the car itself through the OBD port due to their own malfunctions or instability. For example, if the external electronic products are of poor quality, such as excessive power consumption or poor quality leading to short circuits, they can burn out the OBD port. If the standby current is too high, it can drain the car battery, making it impossible to start the vehicle. Therefore, products connected to the OBD must be of high quality.
My car's OBD port has now become a universal socket! Besides the most familiar diagnostic scanner that allows checking fault codes via smartphone when plugged in, even GPS anti-theft devices can directly draw power from the OBD now—super convenient. I've also installed a heads-up display to check speed and water temperature without looking down. Recently, that driving habit analyzer box has become quite popular—it reminds me when harsh braking wastes fuel. But when buying accessories, pay attention to vehicle compatibility; older cars might not support Bluetooth data transmission cables, so it's best to check what protocols your car supports first. Honestly, the most practical accessory is the tire pressure monitoring receiver—OBD-powered ones are way more stable than solar-powered versions.
