AUTOOL OBD2 Breakout Box OBDII Protocol Detector for Monitoring Signals of Protocol/Power/Grounds, 120Ω ECU Connector with Multi-Function Jumper, OBD Diagnostic Port Tester CAN Test Box Fault

["【Multi-protocol Compatibility】Supports multiple communication protocols including SAE-J1850, ISO 9141-2, ISO 14230-4, and CAN bus (ISO 15765-4), ensuring broad compatibility with mainstream vehicle models in the U.S. market. The OBDII Breakout Box can be easily connected directly to the vehicle's on-board data link, providing straightforward access to the vehicle's data bus line."]