LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2020 >> Highlander L, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 41 (Engine Control System (T24A-FTS) - Diagnostic Codes (06 Of 11)) >> 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 - 11/2023] >> Procedure

DTC P0607-47: Control Module Performance Bank 1 Watchdog/Safety MCU Failure; DTC P0607-87: Control Module Performance Bank 1 Missing Message [10/2022 - 11/2023]: Procedure

WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. READ OUTPUT DTC (DTC P0607-47 OR P0607-87) 
    1. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
    2. Connect the cable to the negative (-) battery terminal.
    3. Turn the ignition switch to ON.
    4. Wait 1 second or more.
    5. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

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

    Result: 

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

    Result: 

    REPLACE ECM. Refer to  REMOVAL [10/2022 - 11/2023]