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 LX 570FACTORY OEM SERVICE PROCEDURE
Engine Control System - Diagnostic Codes (4 Of 7)
- SFI System
- DTC P050B: Cold Start Ignition Timing Performance [08/2018 - 08/2019]
- DTC P050B: Cold Start Ignition Timing Performance [08/2019 - ]
- DTC P0550: Power Steering Pressure Sensor Circuit Malfunction; DTC P0552: Power Steering Pressure Sensor Circuit Low Input; DTC P0553: Power Steering Pressure Sensor Circuit High Input [09/2015 - ]
- DTC P0560: System Voltage [09/2015 - ]
- DTC P0604: Random Access Memory (RAM) [09/2015 - ]
- DTC P0606: ECM / PCM Processor [09/2015 - ]
- DTC P0607: Control Module Performance [09/2015 - ]
- DTC P060A: Internal Control Module Monitoring Processor Performance [09/2015 - ]
- DTC P060B: Internal Control Module A/D Processing Performance [09/2015 - 08/2017]
- DTC P060B: Internal Control Module A/D Processing Performance [08/2017 - ]
- DTC P060D: Internal Control Module Accelerator Pedal Position Performance [09/2015 - ]
- DTC P060E: Internal Control Module Throttle Position Performance [09/2015 - ]
- DTC P0617: Starter Relay Circuit High [09/2015 - ]
- DTC P062F: Internal Control Module EEPROM Error [09/2015 - ]
- DTC P0630: VIN not Programmed or Mismatch - ECM / PCM [09/2015 - ]
- DTC P0657: Actuator Supply Voltage Circuit / Open [09/2015 - ]
- DTC P0705: Transmission Range Sensor Circuit (PRNDL Input) [09/2015 - 08/2017]
- DTC P0705: Transmission Range Sensor Circuit (PRNDL Input) [08/2017 - ]
- DTC P0724: Brake Switch "B" Circuit High [09/2015 - ]
- DTC P106B: Evaporative Emission System Pressure Sensor - Secondary Air Injection Pressure Sensor Correlation [09/2015 - ]
- DTC P1340: Camshaft Position Sensor "A" (Bank 1 Sensor 2); DTC P1342: Camshaft Position Sensor "A" Low Input (MRE); DTC P1343: Camshaft Position Sensor "A" High Input (MRE) [09/2015 - 08/2016]
- DTC P1340: Camshaft Position Sensor "A" (Bank 1 Sensor 2); DTC P1342: Camshaft Position Sensor "A" Low Input (MRE); DTC P1343: Camshaft Position Sensor "A" High Input (MRE) [08/2016 - ]
- DTC P144C: Open in Secondary Air Injection System Heater Control Circuit; DTC P144D: Short in Secondary Air Injection System Heater Control Circuit [09/2015 - ]
- DTC P1603: Engine Stall History; DTC P1605: Rough Idling [09/2015 - 08/2016]
Factory Service Tools
Use the Manual With the Right Hardware
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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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