DTC P06DA-13: Engine Oil Pressure Control Circuit Open [12/2022 - 03/2023]: Procedure

2025 Toyota Prius XLE AWDSECTION Procedure
  1. INSPECT OIL PRESSURE CONTROL VALVE ASSEMBLY 

    Refer to INSPECTION [12/2022 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE OIL PRESSURE CONTROL VALVE ASSEMBLY 

    Refer to REMOVAL [12/2022 - ]

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (OIL PRESSURE CONTROL VALVE ASSEMBLY - ECM) 

    Pre-procedure1

    • Disconnect the oil pressure control valve assembly connector.
    • Disconnect the ECM connector.
    • Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      C37-1 (OCV+) - C52-21 (VOP+) Always Below 1 Ω Ω
      C37-2 (OCV-) - C52-20 (VOP-) Always Below 1 Ω Ω
      C37-1 (OCV+) or C52-21 (VOP+) - Body ground and other terminals Always 10 kΩ or higher
      C37-2 (OCV-) or C52-20 (VOP-) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Post-procedure1

    • None.

    Result: 

    OK 

    REPLACE ECM 

    Refer to REMOVAL [12/2022 - 03/2023]

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.