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 PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM - DIAGNOSTIC CODES (P0110-P0136)
2025 Toyota Prius XLE AWD
Engine Control System - Diagnostic Codes (P0110-P0136)
2025 Toyota Prius XLE AWDSECTION Engine Control System - Diagnostic Codes (P0110-P0136)
- SFI System
- DTC P0110-15: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open [03/2023 - ]
- DTC P0115-11: Engine Coolant Temperature Sensor 1 Circuit Short to Ground [12/2022 - 03/2023]
- DTC P0115-11: Engine Coolant Temperature Sensor 1 Circuit Short to Ground [03/2023 - ]
- DTC P0115-15: Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open [12/2022 - 03/2023]
- DTC P0115-15: Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open [03/2023 - ]
- DTC P0115-2A: Engine Coolant Temperature Sensor 1 Signal Stuck in Range [12/2022 - 03/2023]
- DTC P0115-2A: Engine Coolant Temperature Sensor 1 Signal Stuck in Range [03/2023 - ]
- DTC P0120-11: Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Ground [12/2022 - 03/2023]
- DTC P0120-11: Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Ground [03/2023 - ]
- DTC P0120-15: Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Battery or Open [12/2022 - 03/2023]
- DTC P0120-15: Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Battery or Open [03/2023 - ]
- DTC P0120-1C: Throttle / Pedal Position Sensor / Switch "A" Circuit Voltage Out of Range [12/2022 - 03/2023]
- DTC P0120-1C: Throttle / Pedal Position Sensor / Switch "A" Circuit Voltage Out of Range [03/2023 - ]
- DTC P0125-00: Insufficient Coolant Temperature for Closed Loop Fuel Control [12/2022 - ]
- DTC P0128-00: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature); DTC P0128-07: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) Mechanical Failure [12/2022 - 03/2023]
- DTC P0128-00: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature); DTC P0128-07: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) Mechanical Failure [03/2023 - ]
- DTC P012F-62: Engine Coolant Temperature/Engine Oil Temperature Signal Compare Failure [12/2022 - 03/2023]
- DTC P012F-62: Engine Coolant Temperature/Engine Oil Temperature Signal Compare Failure [03/2023 - ]
- DTC P0136-16: A/F (O2) Sensor Circuit Bank 1 Sensor 2 Circuit Current (Voltage) Below Threshold; DTC P013A-7C: A/F Sensor - Rich to Lean Bank 1 Sensor 2 Slow Response [12/2022 - 03/2023]
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.