Ford P0766 OBD-II Trouble Code Definition: P0766 Shift Solenoid Valve D Stuck Off P0766 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0766 Shift Solenoid “D” Performance or Stuck Off What does the code mean? OBD-ii Code P0766 definition: Shift solenoid valve D is turned ON or OFF by the Transmission Control Module (TCM) in response to […]