Ford P099D OBD-II Trouble Code Definition: P099D Shift Control Circuit P099D Ford OBD-II Trouble CodeDescription: Trouble Code: System: Subsystem: P099D – (ASE) Powertrain Transmission Controls DTC Description: Shift (Solenoid H) Control Circuit Range / Performance Location: Analysis: Likely Cause: Solenoid H Out of Expected Range Notes: […]