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.
2017 Toyota Prius Prime AdvancedFACTORY OEM SERVICE PROCEDURE
Engine Control System - Diagnostic Codes (6 Of 7)
- SFI System
- DTC P106A-62: Evaporative Emission System Pressure / Intake Air Pressure Signal Compare Failure; DTC P106C-62: Evaporative Emission System Pressure/Barometric Pressure Signal Compare Failure [12/2018 - ]
- DTC P10AA-00: Clogged EGR Port Imbalance Bank1; DTC P219A-00: Bank 1 Air-Fuel Ratio Imbalance; DTC P219C-00: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D-00: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E-00: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F-00: Cylinder 4 Air-Fuel Ratio Imbalance [09/2016 - 01/2018]
- DTC P10AA-00: Clogged EGR Port Imbalance Bank1; DTC P219A-00: Bank 1 Air-Fuel Ratio Imbalance; DTC P219C-00: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D-00: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E-00: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F-00: Cylinder 4 Air-Fuel Ratio Imbalance [01/2018 - 12/2018]
- DTC P10AA-00: Clogged EGR Port Imbalance Bank1; DTC P219A-00: Bank 1 Air-Fuel Ratio Imbalance; DTC P219C-00: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D-00: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E-00: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F-00: Cylinder 4 Air-Fuel Ratio Imbalance [12/2018 - ]
- DTC P1420-00: Evaporative Emission Canister (Small Leak); DTC P1421-00: Evaporative Emission Canister (Gross Leak) [09/2016 - ]
- DTC P1422-00: Evaporative Emission Fuel Tank (Small Leak); DTC P1423-00: Evaporative Emission Fuel Tank (Gross Leak) [09/2016 - ]
- DTC P1450-11: Fuel Tank Pressure Sensor Circuit Short to Ground; DTC P1450-15: Fuel Tank Pressure Sensor Circuit Short to Battery or Open; DTC P1450-2A: Fuel Tank Pressure Sensor Signal Stuck in Range; DTC P1450-2F: Fuel Tank Pressure Sensor Signal Erratic [09/2016 - ]
- DTC P148F-00: Engine Coolant Pump Over Revolution [09/2016 - ]
- DTC P1604-00: Startability Malfunction [09/2016 - ]
- DTC P1605-00: Rough Idling [09/2016 - ]
- DTC P2100-14: Throttle Actuator "A" Control Motor Circuit Short to Ground or Open; DTC P2100-15: Throttle Actuator "A" Control Motor Circuit Short to Battery or Open [09/2016 - 07/2020]
- DTC P2100-18: Throttle Actuator "A" Control Motor Circuit Current Below Threshold; DTC P2100-19: Throttle Actuator "A" Control Motor Circuit Current Above Threshold [07/2020 - ]
- DTC P2109-00: Throttle/Pedal Position Sensor "A" Minimum Stop Performance [09/2016 - ]
- DTC P2111-72: Throttle Actuator "A" Control System Actuator Stuck Open; DTC P2111-73: Throttle Actuator "A" Control System Actuator Stuck Closed [09/2016 - 07/2020]
- DTC P2111-72: Throttle Actuator "A" Control System Actuator Stuck Open; DTC P2111-73: Throttle Actuator "A" Control System Actuator Stuck Closed [07/2020 - ]
- DTC P2119-00: Throttle Actuator "A" Control Throttle Body Range/Performance; DTC P2119-04: Throttle Actuator "A" Control Throttle Body Range/Performance System Internal Failure; DTC P2119-77: Throttle Actuator "A" Control Throttle Body Range/Performance Commanded Position Not Reachable [09/2016 - 07/2020]
- DTC P2119-00: Throttle Actuator "A" Control Throttle Body Range/Performance; DTC P2119-04: Throttle Actuator "A" Control Throttle Body Range/Performance System Internal Failure; DTC P2119-77: Throttle Actuator "A" Control Throttle Body Range/Performance Commanded Position Not Reachable [07/2020 - ]
- DTC P2135-2B: Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation Signal Cross Coupled [09/2016 - ]
- DTC P2195-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold; DTC P2195-24: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Signal Stuck High; DTC P2196-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Circuit Current Below Threshold; DTC P2196-23: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Signal Stuck Low [12/2018 - 07/2020]
- DTC P2195-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold; DTC P2195-24: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Signal Stuck High; DTC P2196-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Circuit Current Below Threshold; DTC P2196-23: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Signal Stuck Low [07/2020 - ]
Factory Service Tools
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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.