OBD2 vehicle fault detector, compatible with OBDII, EOBD and CAN protocols, with multiple language options. It can display fault codes, view real-time data streams, readiness status and battery voltage. The color screen is paired with physical buttons, making the operation simple. It is suitable for preliminary troubleshooting of engine faults, and is suitable for car owners to self-check and for initial inspection by auto repair technicians.

The device is equipped with a color display screen, which presents clear interface information. It is accompanied by physical function buttons, with intuitive operation logic. The button pressing feedback is smooth, and basic detection operations can be completed without complex learning. The body shell is designed with anti-slip protection, making it less likely to slip when held daily. The connection line connector is well-made, allowing smooth insertion and removal from the vehicle's OBD interface, with stable contact, reducing connection abnormalities.This OBD2 vehicle fault detector supports OBDII, EOBD, and CAN protocols. It can read and detect the engine system of vehicles that comply with the corresponding protocols. It is suitable for auto repair shops, auto repair personnel, and vehicle owners to self-check vehicle faults and help them understand the operating status of the vehicle engine.

The device has several practical basic detection functions. It can read vehicle fault codes, clear some engine fault codes, view fault freeze frame data, read real-time data streams, and observe operating parameters such as engine speed, coolant temperature, and voltage. It supports I/M ready status detection, facilitating the viewing of vehicle emission-related ready status. It also can read battery voltage, assisting in judging the battery condition. It has a built-in multi-language system, allowing for switching between different display languages, to meet the needs of different regions.

The usage method is simple. Locate the vehicle's OBD interface, connect the device, turn on the vehicle's ignition switch, follow the screen instructions to complete the communication connection, and then start the detection work. It can be used for daily vehicle self-checks, preliminary troubleshooting before repairs, and readiness status checks before annual inspections. It can quickly locate clues related to engine faults, reducing blind disassembly and improving maintenance efficiency.

It should be noted that this device is mainly for the engine OBD system and cannot cover all vehicle electronic control modules. The read fault codes are only for maintenance reference and cannot be directly equivalent to the final fault conclusion. Specific faults need to be further inspected based on the actual vehicle condition. During use, avoid dropping or getting wet. After completing the detection, promptly unplug the interface. Do not leave it connected for a long time. Proper use can extend the device's service life and is a practical auxiliary detection tool for vehicle daily maintenance.