Ford P0689 OBD-II Trouble Code Definition: P0689 Electronic Control Module Power Relay Sense Circuit Low P0689 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0689 ECM/PCM Power Relay Sense Circuit Low What does the code mean? OBD-ii Code P0689 definition: Symptoms Sumptoms of OBD code P0689 – Engine Light ON (or Service Engine Soon Warning Light) Causes […]