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.
2006 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Automatic Transmission DTCS
AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC P0705, P0850 | TRANSMISSION RANGE SENSOR CIRCUIT MALFUNCTION (PRNDL INPUT), PARK/NEUTRAL SWITCH INPUT CIRCUIT |
| DTC P0710, P0712, P0713 | TRANSMISSION FLUID TEMPERATURE SENSOR "A" CIRCUIT LOW/HIGH INPUT |
| DTC P0711 | TRANSMISSION FLUID TEMPERATURE SENSOR "A" PERFORMANCE |
| DTC P0717 | TURBINE SPEED SENSOR CIRCUIT NO SIGNAL |
| DTC P0724 | BRAKE SWITCH "B" CIRCUIT HIGH |
| DTC P0729 | GEAR 6 INCORRECT RATIO |
| DTC P0748 | PRESSURE CONTROL SOLENOID "A" ELECTRICAL (SHIFT SOLENOID VALVE SL1) |
| DTC P0751 | SHIFT SOLENOID "A" PERFORMANCE (SHIFT SOLENOID VALVE S1) |
| DTC P0756 | SHIFT SOLENOID "B" PERFORMANCE (SHIFT SOLENOID VALVE S2) |
| DTC P0761 | SHIFT SOLENOID "C" PERFORMANCE (SHIFT SOLENOID VALVE S3) |
| DTC P0766 | SHIFT SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE S4) |
| DTC P0778 | PRESSURE CONTROL SOLENOID "B" ELECTRICAL (SHIFT SOLENOID VALVE SL2) |
| DTC P0781 | 1-2 SHIFT (1-2 SHIFT VALVE) |
| DTC P0973, P0974 | SHIFT SOLENOID "A" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S1) |
| DTC P0976, P0977 | SHIFT SOLENOID "B" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S2) |
| DTC P0979, P0980 | SHIFT SOLENOID "C" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S3) |
| DTC P0982, P0983 | SHIFT SOLENOID "D" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE S4) |
| DTC P0985, P0986 | SHIFT SOLENOID "E" CONTROL CIRCUIT LOW/HIGH (SHIFT SOLENOID VALVE SR) |
| DTC P2714 | PRESSURE CONTROL SOLENOID "D" PERFORMANCE (SHIFT SOLENOID VALVE SLT) |
| DTC P2716 | PRESSURE CONTROL SOLENOID "D" ELECTRICAL (SHIFT SOLENOID SLT) |
| DTC P2757 | TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID PERFORMANCE (SHIFT SOLENOID VALVE SLU) |
| DTC P2759 | TORQUE CONVERTER CLUTCH PRESSURE CONTROL SOLENOID CONTROL CIRCUIT ELECTRICAL (SHIFT SOLENOID VALVE SLU) |
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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