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 LS 500 Base, AWDFACTORY OEM SERVICE PROCEDURE
Engine Control System - Diagnostic Codes (03 Of 14)
- SFI System
- DTC P008A-00: Low Pressure Fuel System Pressure - Too Low [10/2020 - ]
- DTC P008B-00: Low Pressure Fuel System Pressure - Too High [12/2017 - 09/2019]
- DTC P008B-00: Low Pressure Fuel System Pressure - Too High [09/2019 - 10/2020]
- DTC P008B-00: Low Pressure Fuel System Pressure - Too High [10/2020 - ]
- DTC P00AA-11: Intake Air Temperature Sensor 1 Bank 2 Circuit Short to Ground; DTC P0110-11: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Ground [12/2017 - ]
- DTC P00AA-15: Intake Air Temperature Sensor 1 Bank 2 Circuit Short to Battery or Open; DTC P0110-15: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open [12/2017 - ]
- DTC P00AA-2A: Intake Air Temperature Sensor 1 Bank 2 Signal Stuck in Range; DTC P0110-2A: Intake Air Temperature Sensor 1 Bank 1 Signal Stuck in Range [12/2017 - 09/2019]
- DTC P00AA-2A: Intake Air Temperature Sensor 1 Bank 2 Signal Stuck in Range; DTC P0110-2A: Intake Air Temperature Sensor 1 Bank 1 Signal Stuck in Range [09/2019 - 10/2020]
- DTC P00AA-2A: Intake Air Temperature Sensor 1 Bank 2 Signal Stuck in Range; DTC P0110-2A: Intake Air Temperature Sensor 1 Bank 1 Signal Stuck in Range [10/2020 - 10/2022]
- DTC P00CF-62: Barometric Pressure - Turbocharger / Supercharger Boost Sensor "A" Signal Compare Failure; DTC P00D0-62: Barometric Pressure - Turbocharger/Supercharger Boost Sensor "B" Signal Compare Failure [12/2017 - 10/2020]
- DTC P00CF-62: Barometric Pressure - Turbocharger / Supercharger Boost Sensor "A" Signal Compare Failure; DTC P00D0-62: Barometric Pressure - Turbocharger/Supercharger Boost Sensor "B" Signal Compare Failure [10/2020 - 10/2023]
- DTC P00CF-62: Barometric Pressure - Turbocharger / Supercharger Boost Sensor "A" Signal Compare Failure; DTC P00D0-62: Barometric Pressure - Turbocharger/Supercharger Boost Sensor "B" Signal Compare Failure [10/2023 - ]
- DTC P00D5-62: A/F (O2) Sensor Correlation Bank 1 Sensor 1/Bank 1 Sensor 2 Signal Compare Failure; DTC P00D6-62: A/F (O2) Sensor Correlation Bank 2 Sensor 1/Bank 2 Sensor 2 Signal Compare Failure [12/2017 - 09/2018]
- DTC P00D5-62: A/F (O2) Sensor Correlation Bank 1 Sensor 1/Bank 1 Sensor 2 Signal Compare Failure; DTC P00D6-62: A/F (O2) Sensor Correlation Bank 2 Sensor 1/Bank 2 Sensor 2 Signal Compare Failure [09/2018 - ]
- DTC P00FE-00: EVAP System Tank Vapor Line Restricted/Blocked [09/2019 - ]
- DTC P0100-12: Mass or Volume Air Flow Sensor "A" Circuit Short to Battery; DTC P0100-14: Mass or Volume Air Flow Sensor "A" Circuit Short to Ground or Open; DTC P010A-12: Mass or Volume Air Flow Sensor "B" Circuit Short to Battery; DTC P010A-14: Mass or Volume Air Flow Sensor "B" Circuit Short to Ground or Open [12/2017 - ]
- DTC P0105-11: Manifold Absolute Pressure / Barometric Pressure Sensor Circuit Short to Ground [12/2017 - ]
- DTC P0105-15: Manifold Absolute Pressure / Barometric Pressure Sensor Circuit Short to Battery or Open [12/2017 - ]
- DTC P0105-2A: Manifold Absolute Pressure / Barometric Pressure Sensor Signal Stuck in Range [12/2017 - 10/2020]
- DTC P0105-2A: Manifold Absolute Pressure / Barometric Pressure Sensor Signal Stuck in Range [10/2020 - 10/2023]
- DTC P0105-2A: Manifold Absolute Pressure / Barometric Pressure Sensor Signal Stuck in Range [10/2023 - ]
- DTC P010F-64: Mass or Volume Air Flow Sensor A/B Correlation Signal Plausibility Failure [12/2017 - 10/2020]
- DTC P010F-64: Mass or Volume Air Flow Sensor A/B Correlation Signal Plausibility Failure [10/2020 - 10/2023]
- DTC P010F-64: Mass or Volume Air Flow Sensor A/B Correlation Signal Plausibility Failure [10/2023 - ]
- DTC P0115-11: Engine Coolant Temperature Sensor 1 Circuit Short to Ground [12/2017 - ]
- DTC P0115-15: Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open [12/2017 - ]
- DTC P011A-62: Engine Coolant Temperature Sensor 1/2 Signal Compare Failure; DTC P111A-62: Engine Coolant Temperature Sensor 1/3 Signal Compare Failure [12/2017 - ]
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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