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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Automatic Transaxle System - Diagnostic Codes (2 Of 3)) >> Automatic Transaxle System >> DTC P08BA-7F: Pressure Control Solenoid "L" Actuator Stuck Off [10/2022 - ] >> Procedure

DTC P08BA-7F: Pressure Control Solenoid "L" Actuator Stuck Off [10/2022 - ]: Procedure

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  1. CHECK DTC OUTPUT (IN ADDITION TO DTC P08BA-7F) 
    1. Read the DTCs using the GTS.

      Powertrain > Transmission > Trouble Codes 

      HINT: 

      • If any DTCs other than P0740-7E, P0745-7F, P0775-7F, P0795-7F, P08BA-7F, P2713-7F, P2807-7F and P2816-7F are output, perform troubleshooting for those DTCs first.
      • If a solenoid valve is stuck ON or OFF, DTCs for several solenoid valves including the malfunctioning solenoid valve will be stored.

      Result

      Result Proceed to
      DTC P08BA-7F and DTC P0740-7E, P0745-7F, P0775-7F, P0795-7F, P2713-7F, P2816-7F and/or P2807-7F are output A
      Only DTC P08BA-7F is output B
      DTCs other than P0740-7E, P0745-7F, P0775-7F, P0795-7F, P08BA-7F, P2713-7F, P2807-7F and P2816-7F are also output C

    Result: 

    See step  4

    Result: 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 08/2023]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2023 - 10/2024]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2024 - ] 

    Result: 

    See step  2

  2. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Transmission > Clear DTCs 

      HINT: 

      Write down the currently output DTCs before clearing them.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. PERFORM STALL SPEED TEST 
    1. Perform the stall speed test.

      HINT: 

      Refer to MECHANICAL SYSTEM TESTS [10/2022 - ]

      Result

      Test Condition Proceed to
      Stall speed test can be performed A
      Stall speed test cannot be performed B

    Result: 

    See step  6

    Result: 

    See step  4

  4. INSPECT SOLENOID (SL1), (SL2), (SL3), (SL4), (SL5) AND (SL6) VALVE 

    Refer to INSPECTION [10/2022 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SOLENOID (SL1), (SL2), (SL3), (SL4), (SL5) OR (SL6) VALVE. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    OK 

    See step  5

  5. INSPECT SOLENOID (SL) VALVE 

    Refer to INSPECTION [10/2022 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SOLENOID (SL) VALVE. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    OK 

    See step  6

  6. INSPECT SOLENOID (SLT) VALVE 

    Refer to INSPECTION [10/2022 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE SOLENOID (SLT) VALVE. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    OK 

    See step  7

  7. INSPECT TRANSMISSION VALVE BODY ASSEMBLY 
    1. Inspect the transmission valve body assembly.

      HINT: 

      Refer to REMOVAL [10/2022 - ]

      OK

      There is no foreign matter on each valve and they operate smoothly.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE TRANSMISSION VALVE BODY ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    OK 

    See step  8

  8. INSPECT TORQUE CONVERTER ASSEMBLY 
    1. Inspect the torque converter assembly.

      Refer to INSPECTION [10/2022 - ]

      OK

      The torque converter assembly is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE TORQUE CONVERTER ASSEMBLY. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    OK 

    See step  9

  9. REPAIR OR REPLACE AUTOMATIC TRANSAXLE ASSEMBLY 

    HINT: 

    Refer to REMOVAL [10/2022 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    PERFORM REGISTRATION. Refer to  REGISTRATION [10/2022 - ]