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Home >> Subaru >> 2023 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle System (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode H
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Inspection Mode H

DTC Description & trouble part Condition
P0604 INTERNAL CONTROL MODULE RANDOM ACCESS MEMORY (RAM) ERROR -
P0605 INTERNAL CONTROL MODULE READ ONLY MEMORY (ROM) ERROR -
P0613 TCM PROCESSOR -
P0752 SHIFT SOLENOID "A" STUCK ON -
P0757 SHIFT SOLENOID "B" STUCK ON -
P0761 SHIFT SOLENOID "C" PERFORMANCE/STUCK OFF -
P0767 SHIFT SOLENOID "D" STUCK ON -
P160B INTERNAL CONTROL MODULE MONITORING FUNCTION (CAN DIAGNOSIS) -
P160C INTERNAL CONTROL MODULE MONITORING FUNCTION (A/D CONVERTER) -
P2758 TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT STUCK ON -

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. Shift the select lever to "D" range and wait for 10 seconds.
  4. With ATF temperature at 20°C (68°F) or below, drive for 10 minutes in any driving pattern in manual mode. (Include driving at a constant speed for 10 seconds or more continuously at each gear or accelerating driving.)
    WARNING: At malfunctioning conditions, phenomena that are different from normal (occurrence of poor acceleration and neutral state during driving) could occur. Therefore, when driving, pay sufficient attention to the safety.
    CAUTION:
    • Always perform the procedure after the engine check and adjustment.
    • Observe the legal speed limit.
    • Turn the A/C and the cruise control OFF.
  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) .