Ford P0563 OBD-II Trouble Code Definition: P0563 System Voltage High P0563 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0563 System Voltage High What does the code mean? OBD-ii Code P0563 definition: The battery supplies electricity to the ECM even when the ignition switch is OFF. This electricity allows the ECM to store data such as DTC […]