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Home >> Toyota >> 2025 >> Land Cruiser Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (5 Of 9) >> SFI System >> DTC P0606-09: Control Module Processor (Brake Override System Output Signal) Component Failure [02/2024 - ] >> Procedure
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DTC P0606-09: Control Module Processor (Brake Override System Output Signal) Component Failure [02/2024 - ]: Procedure

  1. READ OUTPUT DTC (IN ADDITION TO DTC P0606-09) 

    Pre-procedure1

    1. Turn the ignition switch to ON.
    2. Wait 1 second or more.

      Procedure1

    3. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      P0606-09 and other DTCs are output A
      P0606-09 is output B

      HINT: 

      If any DTCs other than P0606-09 are output, troubleshoot those DTCs first.

      Post-procedure1

    4. None

    Result: 

    REPLACE ECM 

    Refer to REMOVAL [02/2024 - ]

    Result: 

    See step  2

  2. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2024 - ] 

    HINT: 

    After the inspection, perform the following procedure.

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. CLEAR DTC 

    Pre-procedure1

    1. None

      Procedure1

    2. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. Turn the ignition switch off and wait for at least 30 seconds.

    Result: 

    NEXT 

    See step  4

  4. CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED 

    Pre-procedure1

    1. Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.

      Procedure1

    2. Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      P0606-09 is output B

      Post-procedure1

    3. None

    Result: 

    END 

    Result: 

    REPLACE ECM 

    Refer to REMOVAL [02/2024 - ]