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 (10 Of 14)
- SFI System
- DTC P107A-2A: Fuel Rail Pressure Sensor (Low) Signal Stuck in Range; DTC P107A-64: Fuel Rail Pressure Sensor (Low) Signal Plausibility Failure [12/2017 - 09/2019]
- DTC P107A-2A: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Signal Stuck in Range; DTC P107A-64: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Signal Plausibility Failure [09/2019 - 10/2020]
- DTC P107A-2A: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Signal Stuck in Range; DTC P107A-64: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Signal Plausibility Failure [10/2020 - 10/2022]
- DTC P107A-2A: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Signal Stuck in Range; DTC P107A-64: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Signal Plausibility Failure [10/2022 - ]
- DTC P11EA-00: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB-00: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC-00: Cylinder #1 Air-Fuel Ratio Imbalance (Port); DTC P11ED-00: Cylinder #2 Air-Fuel Ratio Imbalance (Port); DTC P11EE-00: Cylinder #3 Air-Fuel Ratio Imbalance (Port); DTC P11EF-00: Cylinder #4 Air-Fuel Ratio Imbalance (Port); DTC P11F0-00: Cylinder #5 Air-Fuel Ratio Imbalance (Port); DTC P11F1-00: Cylinder #6 Air-Fuel Ratio Imbalance (Port); DTC P219A-00: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B-00: Bank 2 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; DTC P21A0-00: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1-00: Cylinder 6 Air-Fuel Ratio Imbalance [12/2017 - 10/2020]
- DTC P11EA-00: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB-00: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC-00: Cylinder #1 Air-Fuel Ratio Imbalance (Port); DTC P11ED-00: Cylinder #2 Air-Fuel Ratio Imbalance (Port); DTC P11EE-00: Cylinder #3 Air-Fuel Ratio Imbalance (Port); DTC P11EF-00: Cylinder #4 Air-Fuel Ratio Imbalance (Port); DTC P11F0-00: Cylinder #5 Air-Fuel Ratio Imbalance (Port); DTC P11F1-00: Cylinder #6 Air-Fuel Ratio Imbalance (Port); DTC P219A-00: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B-00: Bank 2 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; DTC P21A0-00: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1-00: Cylinder 6 Air-Fuel Ratio Imbalance [10/2020 - 10/2023]
- DTC P11EA-00: Bank 1 Air-Fuel Ratio Imbalance (Port); DTC P11EB-00: Bank 2 Air-Fuel Ratio Imbalance (Port); DTC P11EC-00: Cylinder #1 Air-Fuel Ratio Imbalance (Port); DTC P11ED-00: Cylinder #2 Air-Fuel Ratio Imbalance (Port); DTC P11EE-00: Cylinder #3 Air-Fuel Ratio Imbalance (Port); DTC P11EF-00: Cylinder #4 Air-Fuel Ratio Imbalance (Port); DTC P11F0-00: Cylinder #5 Air-Fuel Ratio Imbalance (Port); DTC P11F1-00: Cylinder #6 Air-Fuel Ratio Imbalance (Port); DTC P219A-00: Bank 1 Air-Fuel Ratio Imbalance; DTC P219B-00: Bank 2 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; DTC P21A0-00: Cylinder 5 Air-Fuel Ratio Imbalance; DTC P21A1-00: Cylinder 6 Air-Fuel Ratio Imbalance [10/2023 - ]
- DTC P1235-13: High Pressure Fuel Pump Circuit Open; DTC P1236-13: High Pressure Fuel Pump2 Circuit Open [12/2017 - ]
- DTC P1283-00: Cold Start Fuel Injection Control Performance #1; DTC P1284-00: Cold Start Fuel Injection Control Performance #2; DTC P1285-00: Cold Start Fuel Injection Control Performance #3; DTC P1286-00: Cold Start Fuel Injection Control Performance #4; DTC P1287-00: Cold Start Fuel Injection Control Performance #5; DTC P1288-00: Cold Start Fuel Injection Control Performance #6 [12/2017 - ]
- DTC P1360-01: "A" Camshaft Position Actuator Bank 1 General Electrical Failure; DTC P1361-01: "A" Camshaft Position Actuator Bank2 General Electrical Failure [12/2017 - 10/2020]
- DTC P1362-01: "B" Camshaft Position Actuator Bank 1 General Electrical Failure; DTC P1363-01: "B" Camshaft Position Actuator Bank2 General Electrical Failure [12/2017 - 10/2020]
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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