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.
2021 Lexus RX 450h BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System (Diagnostic Codes) (6 Of 8)
- SFI System
- DTC P0560: System Voltage [10/2015 - 03/2018]
- DTC P0560: System Voltage [03/2018 - ]
- DTC P0604: Random Access Memory (RAM) [10/2015 - ]
- DTC P0606: ECM / PCM Processor [10/2015 - ]
- DTC P0607: Control Module Performance [10/2015 - ]
- DTC P060A: Internal Control Module Monitoring Processor Performance [10/2015 - ]
- DTC P060B: Internal Control Module A/D Processing Performance [10/2015 - ]
- DTC P060E: Internal Control Module Throttle Position Performance [10/2015 - ]
- DTC P062F: Internal Control Module EEPROM Error [10/2015 - ]
- DTC P0630: VIN Not Programmed or Mismatch - ECM/PCM [10/2015 - ]
- DTC P0657: Actuator Supply Voltage Circuit / Open [10/2015 - ]
- DTC P106A: Evaporative Emission System Pressure Sensor - Manifold Absolute Pressure Correlation [10/2015 - ]
- DTC P107B: Fuel Rail Pressure Sensor "B" Circuit Range/Performance [10/2015 - 03/2018]
- DTC P107B: Fuel Rail Pressure Sensor "B" Circuit Range/Performance [03/2018 - 08/2019]
- DTC P107B: Fuel Rail Pressure Sensor "B" Circuit Range/Performance [08/2019 - ]
- DTC P107C: Fuel Rail Low Pressure Sensor (Low); DTC P107D: Fuel Rail Low Pressure Sensor (High) [10/2015 - ]
- DTC P11EA: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC: Cylinder 1 Air-Fuel Ratio Imbalance (Port); DTC P11ED: Cylinder 2 Air-Fuel Ratio Imbalance (Port); DTC P11EE: Cylinder 3 Air-Fuel Ratio Imbalance (Port); DTC P11EF: Cylinder 4 Air-Fuel Ratio Imbalance (Port); DTC P11F0: Cylinder 5 Air-Fuel Ratio Imbalance (Port); DTC P11F1: Cylinder 6 Air-Fuel Ratio Imbalance (Port); DTC P219A: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B: Bank 2 Air-Fuel Ratio Imbalance; DTC P219C: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F: Cylinder 4 Air-Fuel Ratio Imbalance; DTC P21A0: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1: Cylinder 6 Air-Fuel Ratio Imbalance [10/2015 - 12/2017]
- DTC P11EA: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC: Cylinder 1 Air-Fuel Ratio Imbalance (Port); DTC P11ED: Cylinder 2 Air-Fuel Ratio Imbalance (Port); DTC P11EE: Cylinder 3 Air-Fuel Ratio Imbalance (Port); DTC P11EF: Cylinder 4 Air-Fuel Ratio Imbalance (Port); DTC P11F0: Cylinder 5 Air-Fuel Ratio Imbalance (Port); DTC P11F1: Cylinder 6 Air-Fuel Ratio Imbalance (Port); DTC P219A: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B: Bank 2 Air-Fuel Ratio Imbalance; DTC P219C: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F: Cylinder 4 Air-Fuel Ratio Imbalance; DTC P21A0: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1: Cylinder 6 Air-Fuel Ratio Imbalance [12/2017 - 08/2018]
- DTC P11EA: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC: Cylinder 1 Air-Fuel Ratio Imbalance (Port); DTC P11ED: Cylinder 2 Air-Fuel Ratio Imbalance (Port); DTC P11EE: Cylinder 3 Air-Fuel Ratio Imbalance (Port); DTC P11EF: Cylinder 4 Air-Fuel Ratio Imbalance (Port); DTC P11F0: Cylinder 5 Air-Fuel Ratio Imbalance (Port); DTC P11F1: Cylinder 6 Air-Fuel Ratio Imbalance (Port); DTC P219A: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B: Bank 2 Air-Fuel Ratio Imbalance; DTC P219C: Cylinder 1 Air-Fuel Ratio Imbalance; DTC P219D: Cylinder 2 Air-Fuel Ratio Imbalance; DTC P219E: Cylinder 3 Air-Fuel Ratio Imbalance; DTC P219F: Cylinder 4 Air-Fuel Ratio Imbalance; DTC P21A0: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1: Cylinder 6 Air-Fuel Ratio Imbalance [08/2018 - 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.
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