2013 Subaru Forester X, Automatic TransFACTORY OEM SERVICE PROCEDURE

DTC Index: 4AT

4AT AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Reference
P0705 Transmission Range Sensor Circuit (PRNDL Input) < Refer to DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT (PRNDL INPUT) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0712 Transmission Fluid Temperature Sensor Circuit Low Input < Refer to DTC P0712 TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT LOW INPUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0713 Transmission Fluid Temperature Sensor Circuit High Input < Refer to DTC P0713 TRANSMISSION FLUID TEMPERATURE SENSOR CIRCUIT HIGH INPUT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0715 Input/Turbine Speed Sensor Circuit < Refer to DTC P0715 INPUT/TURBINE SPEED SENSOR CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0719 Brake Switch Circuit Low < Refer to DTC P0719 BRAKE SWITCH CIRCUIT LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0720 Output Speed Sensor Circuit < Refer to DTC P0720 OUTPUT SPEED SENSOR CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0724 Brake Switch Circuit High < Refer to DTC P0724 BRAKE SWITCH CIRCUIT HIGH , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0731 Gear 1 Incorrect Ratio < Refer to DTC P0731 GEAR 1 INCORRECT RATIO , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0732 Gear 2 Incorrect Ratio < Refer to DTC P0732 GEAR 2 INCORRECT RATIO , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0733 Gear 3 Incorrect Ratio < Refer to DTC P0733 GEAR 3 INCORRECT RATIO , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0734 Gear 4 Incorrect Ratio < Refer to DTC P0734 GEAR 4 INCORRECT RATIO , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0736 Reverse Incorrect Ratio < Refer to DTC P0736 REVERSE INCORRECT RATIO , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0741 Torque Converter Clutch Circuit Performance or Stuck Off < Refer to DTC P0741 TORQUE CONVERTER CLUTCH CIRCUIT PERFORMANCE OR STUCK OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0743 Torque Converter Clutch Circuit Electrical < Refer to DTC P0743 TORQUE CONVERTER CLUTCH CIRCUIT ELECTRICAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0748 Pressure Control Solenoid "A" Electrical < Refer to DTC P0748 PRESSURE CONTROL SOLENOID "A" ELECTRICAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0753 Shift Solenoid "A" Electrical < Refer to DTC P0753 SHIFT SOLENOID "A" ELECTRICAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0758 Shift Solenoid "B" Electrical < Refer to DTC P0758 SHIFT SOLENOID "B" ELECTRICAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0763 Shift Solenoid "C" Electrical < Refer to DTC P0763 SHIFT SOLENOID "C" ELECTRICAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0768 Shift Solenoid "D" Electrical < Refer to DTC P0768 SHIFT SOLENOID "D" ELECTRICAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P0801 Reverse Inhibit Control Circuit < Refer to DTC P0801 REVERSE INHIBIT CONTROL CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P1707 AT AWD Solenoid Valve Circuit Malfunction < Refer to DTC P1707 AT AWD SOLENOID VALVE CIRCUIT MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P1718 AT CAN Communication Circuit < Refer to DTC P1718 AT CAN COMMUNICATION CIRCUIT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
P1817 Sports Mode Switch Circuit (Manual Switch) < Refer to DTC P1817 SPORTS MODE SWITCH CIRCUIT (MANUAL SWITCH) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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