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 LC 500 2D ConvertibleFACTORY OEM SERVICE PROCEDURE
Engine Control System - Diagnostic Codes (Convertible) (5 Of 7)
- SFI System
- DTC P0500: Vehicle Speed Sensor [07/2020 - ]
- DTC P0504: Brake Switch "A" / "B" Correlation [07/2020 - ]
- DTC P0505: Idle Control System [07/2020 - ]
- DTC P050A: Cold Start Idle Air Control System Performance [07/2020 - ]
- DTC P050B: Cold Start Ignition Timing Performance [07/2020 - ]
- DTC P0560: System Voltage [07/2020 - 05/2023]
- DTC P0560: System Voltage [05/2023 - ]
- DTC P0604: Random Access Memory (RAM) [07/2020 - 05/2023]
- DTC P0604: Random Access Memory (RAM) [05/2023 - ]
- DTC P0606: ECM / PCM Processor [07/2020 - 05/2023]
- DTC P0606: ECM / PCM Processor [05/2023 - ]
- DTC P0607: Control Module Performance [07/2020 - ]
- DTC P060A: Internal Control Module Monitoring Processor Performance [07/2020 - 05/2023]
- DTC P060A: Internal Control Module Monitoring Processor Performance [05/2023 - ]
- DTC P060B: Internal Control Module A/D Processing Performance [07/2020 - 05/2023]
- DTC P060B: Internal Control Module A/D Processing Performance [05/2023 - ]
- DTC P060D: Internal Control Module Accelerator Pedal Position Performance [07/2020 - 05/2023]
- DTC P060D: Internal Control Module Accelerator Pedal Position Performance [05/2023 - ]
- DTC P060E: Internal Control Module Throttle Position Performance [07/2020 - 05/2023]
- DTC P060E: Internal Control Module Throttle Position Performance [05/2023 - ]
- DTC P0617: Starter Relay Circuit High [07/2020 - ]
- DTC P062F: Internal Control Module EEPROM Error [07/2020 - 05/2023]
- DTC P062F: Internal Control Module EEPROM Error [05/2023 - ]
- DTC P0630: VIN not Programmed or Mismatch - ECM / PCM [07/2020 - ]
- DTC P0657: Actuator Supply Voltage Circuit / Open [07/2020 - 05/2023]
- DTC P0657: Actuator Supply Voltage Circuit / Open [05/2023 - ]
- DTC P0724: Brake Switch "B" Circuit High [07/2020 - ]
- DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open [07/2020 - ]
- 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 P11F2: Cylinder 7 Air-Fuel Ratio Imbalance (Port); DTC P11F3: Cylinder 8 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; DTC P21A2: Cylinder 7 Air-Fuel Ratio Imbalance; DTC P21A3: Cylinder 8 Air-Fuel Ratio Imbalance [07/2020 - ]
- DTC P1235: High Pressure Fuel Pump Circuit; DTC P1236: High Pressure Fuel Pump No. 2 Circuit [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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