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.
2016 Lexus ES 300hFACTORY OEM SERVICE PROCEDURE
Engine Control System (Diagnostic Codes (2 Of 3))
- SFI System
- DTC P0300: Random / Multiple Cylinder Misfire Detected; DTC P0301: Cylinder 1 Misfire Detected; DTC P0302: Cylinder 2 Misfire Detected; DTC P0303: Cylinder 3 Misfire Detected; DTC P0304: Cylinder 4 Misfire Detected [07/2015 - ]
- DTC P0327: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor); DTC P0328: Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) [07/2015 - ]
- DTC P0335: Crankshaft Position Sensor "A" Circuit [07/2015 - ]
- DTC P0340: Camshaft Position Sensor Circuit; DTC P0342: Camshaft Position Sensor "A" Circuit Low Input (Bank 1 or Single Sensor); DTC P0343: Camshaft Position Sensor "A" Circuit High Input (Bank 1 or Single Sensor) [07/2015 - ]
- DTC P0351: Ignition Coil "A" Primary / Secondary Circuit; DTC P0352: Ignition Coil "B" Primary / Secondary Circuit; DTC P0353: Ignition Coil "C" Primary / Secondary Circuit; DTC P0354: Ignition Coil "D" Primary / Secondary Circuit [07/2015 - ]
- DTC P0401: Exhaust Gas Recirculation Flow Insufficient Detected [07/2015 - ]
- DTC P0403: Exhaust Gas Recirculation Circuit [07/2015 - ]
- DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) [07/2015 - ]
- DTC P043E: Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F: Evaporative Emission System Leak Detection Reference Orifice High Flow; DTC P2401: Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402: Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419: Evaporative Emission Pressure Switching Valve Stuck ON [07/2015 - ]
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow [07/2015 - ]
- DTC P0451: Evaporative Emission Control System Pressure Sensor Range / Performance; DTC P0452: Evaporative Emission Control System Pressure Sensor / Switch Low Input; DTC P0453: Evaporative Emission Control System Pressure Sensor / Switch High Input [07/2015 - ]
- DTC P0455: Evaporative Emission Control System Leak Detected (Gross Leak); DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak) [07/2015 - ]
- DTC P0505: Idle Control System [07/2015 - ]
- DTC P050A: Cold Start Idle Air Control System Performance [07/2015 - ]
- DTC P050B: Cold Start Ignition Timing Performance [07/2015 - ]
- DTC P0560: System Voltage [07/2015 - ]
- DTC P0604: Random Access Memory (RAM) [07/2015 - ]
- DTC P0606: ECM / PCM Processor [07/2015 - ]
- DTC P0607: Control Module Performance [07/2015 - ]
- DTC P060A: Internal Control Module Monitoring Processor Performance [07/2015 - ]
- DTC P060B: Internal Control Module A/D Processing Performance [07/2015 - ]
- DTC P060E: Internal Control Module Throttle Position Performance [07/2015 - ]
- DTC P062F: Internal Control Module EEPROM Error [07/2015 - ]
- DTC P0630: VIN Not Programmed or Mismatch - ECM/PCM [07/2015 - ]
- DTC P0657: Actuator Supply Voltage Circuit / Open [07/2015 - ]
- DTC P106A: Evaporative Emission System Pressure Sensor - Manifold Absolute Pressure Correlation [07/2015 - ]
- DTC P148F: Engine Coolant Pump Over Revolution [07/2015 - ]
- DTC P1604: Startability Malfunction [07/2015 - ]
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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