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Home >> Lexus >> 2009 >> GS 450h >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (SFI) System (Diagnostic Codes (P0420-U0296) & Circuit Tests) >> SFI System >> DTC P0607: Control Module Performance >> Procedure

DTC P0607: Control Module Performance: Procedure

  1. CHECK WHETHER DTC OUTPUT RECURS (IN ADDITION TO DTC P0607) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Clear the DTC.
    5. Turn the power switch off.
    6. Disconnect the battery negative terminal and wait for 1 minute.
    7. Connect the battery negative terminal.
    8. Turn the power switch on (IG).
    9. Enter the following menus: Powertrain / Engine and ECT / Trouble Code.
    10. Read the DTCs.

      Result

      Display (DTC output) Proceed to
      P0607 A
      No output DTC B

    B → See step   2 

    A → See step   3 

  2. CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS 
  3. REPLACE ECM. Refer to  REMOVAL 
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