Ford C0004 OBD-II Trouble Code Definition: C0004 TCS Control Channel B Valve 2 C0004 Ford OBD-II Trouble CodeDescription: Trouble Code: System: Subsystem: C0004 – (ASE) Chassis Fuel & Air metering, Auxiliary emission controls DTC Description: TCS Control Channel B Valve 2 Location: Analysis: Likely Cause: Channel B Valve 2 Notes: […]