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Home >> Subaru >> 2016 >> BRZ Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission (Diagnostics)) >> Automatic Transmission System >> DTC P2757 Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off; DTC P2758 Torque Converter Clutch Pressure Control Solenoid Control Circuit Stuck On >> Inspection steps

Inspection steps

WARNING: This page is about a different variant/trim than selected.
  1. Read the diagnostic code
    NOTE: Refer for checking procedure and precautions of wiring harness and connector
    1. Connect the SSM3 to the DLC3.
    2. Turn the ignition switch to ON.
    3. Read diagnostic cords according to SSM3 display. (Refer to CHECKING/CLEARING DIAGNOSTIC CODES  )

      Result

      Result Go to
      P2757 or P2758 is output. A
      P2757 or P2758 and other diagnostic codes are output. B

      B: Related diagnostic code chart

      A: Go to next step

  2. Check of lock-up control solenoid (SLU) unit
    1. Check the lock-up control solenoid (SLU) unit. (Refer to CHECKING/CLEARING DIAGNOSTIC CODES  )

      NG: Repair or replacement of transmission valve body ASSY (refer to TRANSMISSION VALVE BODY ASSY )

      OK: Go to next step

  3. Check of transmission valve body ASSY unit
    1. Check the transmission valve body ASSY. (Refer to TRANSMISSION VALVE BODY ASSY )

      Criteria: There is no malfunction and foreign objects on the solenoid installation portions.

      NG: Replacement of transmission valve body ASSY (refer to TRANSMISSION VALVE BODY ASSY )

      OK: Go to next step

  4. Check of torque converter ASSY unit
    1. Check the torque converter ASSY. (Refer to TORQUE CONVERTER & DRIVE PLATE )

      Criteria: Torque converter ASSY is normal.

      NG: Replacement of torque converter ASSY (refer to REMOVAL )

      OK: Replacement of automatic transmission ASSY (refer to REMOVAL )

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