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Home >> Lexus >> 2025 >> RX 350h F Sport Design >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (P050B-P06AB) >> SFI System >> DTC P0607-47: Control Module Performance Bank 1 Watchdog/Safety MCU Failure; DTC P0607-87: Control Module Performance Bank 1 Missing Message [10/2022 - 08/2023] >> Procedure
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DTC P0607-47: Control Module Performance Bank 1 Watchdog/Safety MCU Failure; DTC P0607-87: Control Module Performance Bank 1 Missing Message [10/2022 - 08/2023]: Procedure

  1. CLEAR DTC 

    Pre-procedure1

    • None.
    • Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

      Result

      Proceed to
      NEXT

    Post-procedure1

    • Turn the ignition switch off.

    Result: 

    NEXT 

    See step  2

  2. READ OUTPUT DTC (DTC P0607-47 OR P0607-87) 

    Pre-procedure1

    • Disconnect the cable from the negative (-) auxiliary battery terminal and wait for 1 minute.
    • Connect the cable to the negative (-) auxiliary battery terminal.
    • Wait 1 second or more.
    • Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      P0607-47 or P0607-87 is output B

    Post-procedure1

    • None.

    Result: 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [10/2022 - ] 

    Result: 

    REPLACE ECM. Refer to  REMOVAL [10/2022 - 08/2023]