Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2025PRIUS XLE AWDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM - DIAGNOSTIC CODES (P11EA-P1450)SFI SYSTEMDTC P12D0-13: FUEL PUMP CONTROL (ALL PHASE) CIRCUIT OPEN; DTC P12D1-13: FUEL PUMP CONTROL (U PHASE) CIRCUIT OPEN; DTC P12D2-13: FUEL PUMP CONTROL (V PHASE) CIRCUIT OPEN; DTC P12D3-13: FUEL PUMP CONTROL (W PHASE) CIRCUIT OPEN [12/2022 - 03/2023]CONFIRMATION DRIVING PATTERN
2025 Toyota Prius XLE AWD
Confirmation Driving Pattern
2025 Toyota Prius XLE AWDSECTION Confirmation Driving Pattern
HINT:
- After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Refer to DIAGNOSIS SYSTEM [12/2022 - ]
- When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
Refer to DTC CHECK / CLEAR [12/2022 - ]
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the ignition switch off and wait for at least 30 seconds.
- Put the engine in Inspection Mode (Maintenance Mode).
- Start the engine and wait 10 seconds or more [A].
- Enter the following menus: Powertrain / Engine / Trouble Codes [B].
- Read the pending DTCs.
HINT:
- If a pending DTC is output, the system is malfunctioning.
- If a pending DTC is not output, perform the following procedure.
- Enter the following menus: Powertrain / Engine / Utility / All Readiness.
- Input the DTC: P12D0-13, P12D1-13, P12D2-13 or P12D3-13.
- Check the DTC judgment result.
HINT:
- If the judgment result is NORMAL, the system is normal.
- If the judgment result is ABNORMAL, the system is malfunctioning.
- If the judgment result is INCOMPLETE, run the engine at an engine speed of 2000 rpm or more for 10 seconds or more and check the DTC judgment result again.
- [A] to [B]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- When clearing the permanent DTCs, do not disconnect the cable from the auxiliary battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.
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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.