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Inspection Mode G

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
DTC Description & trouble part Condition
P0708 TRANSMISSION RANGE SENSOR "A" CIRCUIT HIGH -
P1603 ENGINE STALL HISTORY -
P2758 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT STUCK ON Perform inspection mode G twice

Diagnostic procedure: 

  1. Start the engine.
  2. Check the readiness code of [Transmission] using Subaru Select Monitor and confirm that the diagnosis is not completed. Ref. to TRANSMISSION (DIAGNOSTICS)>ALL READINESS DIAGNOSTIC CODE(S) 
  3. Depress the brake pedal and move the select lever to each range at an interval of 5 seconds.
    NOTE:

    Move the select lever in the following order: "P" → "R" → "N" → "D". 

  4. Drive for three seconds at 16 km/h (10 MPH).
    NOTE:

    Drive in "D" range and "R" range. 

  5. Check the readiness code of [Transmission] using Subaru Select Monitor and confirm that the diagnosis is completed. Ref. to TRANSMISSION (DIAGNOSTICS)>ALL READINESS DIAGNOSTIC CODE(S)