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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 P064A-49: Fuel Pump Control Module Internal Electronic Failure [08/2023 - ] >> Procedure
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DTC P064A-49: Fuel Pump Control Module Internal Electronic Failure [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 and wait for at least 30 seconds.

    Result: 

    NEXT 

    See step  2

  2. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P064A-49) 

    Pre-procedure1

    • Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
    • Read the DTCs.

      Powertrain > Engine > Trouble Codes 

      Result

      Result Proceed to
      P064A-49 and other DTCs are output A
      P064A-49 is output B

    Post-procedure1

    • None.

    Result: 

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

    Result: 

    REPLACE FUEL PUMP CONTROL ECU. Refer to  REMOVAL [08/2023 - ]