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.
2007 Lexus GX 470FACTORY OEM SERVICE PROCEDURE
Engine Control System - DTC P0010 - P0333
- DTC P0010, P0020: Camshaft Position "A" Actuator Circuit (Bank 1); Camshaft Position "A" Actuator Circuit (Bank 2)
- DTC P0011, P0012, P0021, P0022: Camshaft Position "A" -Timing Over-Advanced or System Performance (Bank 1); Camshaft Position "A" - Timing Over-Retarded (Bank 1); Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 2); Camshaft Position "A" - Timing Over-Retarded (Bank 2)
- DTC P0016, P0018: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A); Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)
- DTC P0031, P0032, P0051, P0052: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1); Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1); Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 2 Sensor 1); Oxygen (A/F) Sensor Heater Control Circuit High (Bank 2 Sensor 1)
- DTC P0037, P0038, P0057, P0058, P0141, P0161: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2); Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2); Oxygen Sensor Heater Control Circuit Low (Bank 2 Sensor 2); Oxygen Sensor Heater Control Circuit High (Bank 2 Sensor 2); Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2); Oxygen Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
- DTC P0100, P0102, P0103: Mass Air Flow Circuit Malfunction; Mass Air Flow Circuit Low; Mass Air Flow Circuit High
- DTC P0101: Mass Air Flow Circuit Range/Performance Problem
- DTC P0110, P0112, P0113: Intake Air Temperature Circuit; Intake Air Temperature Circuit Low Input; Intake Air Temperature Circuit High Input
- DTC P0111: Intake Air Temperature Sensor Gradient Too High
- DTC P0115, P0117, P0118: Engine Coolant Temperature Circuit; Engine Coolant Temperature Circuit Low Input; Engine Coolant Temperature Circuit High Input
- DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem
- DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: Throttle/Pedal Position Sensor/Switch "A" Circuit; Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input; Throttle/Pedal Position Sensor/Switch "A" Circuit High Input; Throttle/Pedal Position Sensor/Switch "B" Circuit; Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input; Throttle/Pedal Position Sensor/Switch "B" Circuit High Input; Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation
- DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control
- DTC P0128: Thermostat Malfunction
- DTC P0136, P0137, P0138, P0156, P0157, P0158: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2); Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2); Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2); Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 2); Oxygen Sensor Circuit High Voltage (Bank 2 Sensor 2)
- DTC P0171, P0172, P0174, P0175: System Too Lean (Bank 1); System Too Rich (Bank 1); System Too Lean (Bank 2); System Too Rich (Bank 2)
- DTC P0230: Fuel Pump Primary Circuit
- DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: Random/Multiple Cylinder Misfire Detected; Cylinder 1 Misfire Detected; Cylinder 2 Misfire Detected; Cylinder 3 Misfire Detected; Cylinder 4 Misfire Detected; Cylinder 5 Misfire Detected; Cylinder 6 Misfire Detected; Cylinder 7 Misfire Detected; Cylinder 8 Misfire Detected
- DTC P0327, P0328, P0332, P0333: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor); Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor); Knock Sensor 2 Circuit Low Input (Bank 2); Knock Sensor 2 Circuit High Input (Bank 2)
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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