Ford P099C OBD-II Trouble Code Definition: P099C Shift Control Circuit P099C Ford OBD-II Trouble CodeDescription: Trouble Code: System: Subsystem: P099C – (ASE) Powertrain Transmission Controls DTC Description: Shift (Solenoid G) Control Circuit High Location: Analysis: Likely Cause: Solenoid G End of Range – Circuit Higher Than Expected Notes: […]