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.
2003 Lexus LX 470FACTORY OEM SERVICE PROCEDURE
Automatic Transmission DTCS
AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| P0705 | Transmission Range Sensor Circuit Malfunction (PRNDL Input) |
| P0710 | Transmission Fluid Temperature Sensor "A" Circuit |
| P0711 | Transmission Fluid Temperature Sensor "A" Performance |
| P0712 | Transmission Fluid Temperature Sensor "A" Circuit Low Input |
| P0713 | Transmission Fluid Temperature Sensor "A" Circuit High Input |
| P0717 | Input Speed Sensor Circuit No Signal |
| P0722 | Output Speed Sensor Circuit No Signal |
| P0724 | Brake Switch "B" Circuit High |
| P0748 | Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1) |
| P0751 | Shift Solenoid "A" Performance (Shift Solenoid Valve S1) |
| P0756 | Shift Solenoid "B" Performance (Shift Solenoid Valve S2) |
| P0771 | Shift Solenoid "E" Performance (Shift Solenoid Valve SR) |
| P0776 | Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2) |
| P0778 | Pressure Control Solenoid "B" Electrical (Shift Solenoid Valve SL2) |
| P0781 | 1-2 Shift |
| P0818 | Driveline Disconnect Switch Input Circuit |
| P0850 | Park/Neutral Switch Input Circuit |
| P0973 | Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1) |
| P0974 | Shift Solenoid "A" Control Circuit High (Shift Solenoid Valve S1) |
| P0976 | Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2) |
| P0977 | Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2) |
| P0985 | Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR) |
| P0986 | Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR) |
| P1782 | T/F L4 Range Position Switch Performance |
| P2714 | Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT) |
| P2716 | Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT) |
| P2743 | Transmission Fluid Temperature Sensor "B" Circuit High Input |
| P2757 | Torque Converter Clutch Pressure Control Solenoid Performance(Shift Solenoid Valve SLU) |
| P2759 | Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) |
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.