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.
2008 Lexus IS 350FACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Chart
If a DTC is displayed during the DTC check, check the parts listed in the table below and proceed to the article given.
AUTOMATIC TRANSMISSION SYSTEM
DIAGNOSTIC TROUBLE CODE CHART
| DTC Code | Detection Item | Trouble Area | MIL*1 | Memory *2 |
|---|---|---|---|---|
| P0500 | Vehicle Speed Sensor "A" |
|
Comes on | DTC stored |
| P0705 | Transmission Range Sensor Circuit Malfunction (PRNDL Input) |
|
Comes on | DTC stored |
| P0710 | Transmission Fluid Temperature Sensor "A" Circuit |
|
Comes on | DTC stored |
| P0711 | Transmission Fluid Temperature Sensor "A" Performance | Transmission wire (ATF temperature sensor) | Comes on | DTC stored |
| P0712 | Transmission Fluid Temperature Sensor "A" Circuit Low Input |
|
Comes on | DTC stored |
| P0713 | Transmission Fluid Temperature Sensor "A" Circuit High Input |
|
Comes on | DTC stored |
| P0717 | Turbine Speed Sensor Circuit No Signal |
|
Comes on | DTC stored |
| P0724 | Brake Switch "B" Circuit High |
|
Comes on | DTC stored |
| P0729 | Gear 6 Incorrect Ratio |
|
Comes on | DTC stored |
| P0748 | Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1) |
|
Comes on | DTC stored |
| P0751 | Shift Solenoid "A" Performance (Shift Solenoid Valve S1) |
|
Comes on | DTC stored |
| P0756 | Shift Solenoid "B" Performance (Shift Solenoid Valve S2) |
|
Comes on | DTC stored |
| P0761 | Shift Solenoid "C" Performance (Shift Solenoid Valve S3) |
|
Comes on | DTC stored |
| P0766 | Shift Solenoid "D" Performance (Shift Solenoid Valve S4) |
|
Comes on | DTC stored |
| P0776 | Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2) |
|
Comes on | DTC stored |
| P0778 | Pressure Control Solenoid "B" Electrical (Shift Solenoid Valve SL2) |
|
Comes on | DTC stored |
| P0781 | 1-2 Shift (1-2 Shift Valve) |
|
Comes on | DTC stored |
| P0894 | Transmission Component Slipping |
|
Comes on | DTC stored |
| P0973 | Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1) |
|
Comes on | DTC stored |
| P0974 | Shift Solenoid "A" Control Circuit High (Shift Solenoid Valve S1) |
|
Comes on | DTC stored |
| P0976 | Shift Solenoid "B" Control Circuit Low (Shift Solenoid Valve S2) |
|
Comes on | DTC stored |
| P0977 | Shift Solenoid "B" Control Circuit High (Shift Solenoid Valve S2) |
|
Comes on | DTC stored |
| P0979 | Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3) |
|
Comes on | DTC stored |
| P0980 | Shift Solenoid "C" Control Circuit High (Shift Solenoid Valve S3) |
|
Comes on | DTC stored |
| P0982 | Shift Solenoid "D" Control Circuit Low (Shift Solenoid Valve S4) |
|
Comes on | DTC stored |
| P0983 | Shift Solenoid "D" Control Circuit High (Shift Solenoid Valve S4) |
|
Comes on | DTC stored |
| P0985 | Shift Solenoid "E" Control Circuit Low (Shift Solenoid Valve SR) |
|
Comes on | DTC stored |
| P0986 | Shift Solenoid "E" Control Circuit High (Shift Solenoid Valve SR) |
|
Comes on | DTC stored |
| P2714 | Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT) |
|
Comes on | DTC stored |
| P2716 | Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT) |
|
Comes on | DTC stored |
| P2757 | Torque Converter Clutch Pressure Control Solenoid Performance (Shift Solenoid Valve SLU) |
|
Comes on | DTC stored |
| P2759 | Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU) |
|
Comes on | DTC stored |
| U0100 | Lost Communication with ECM/PCM "A" | ECM | Comes on | DTC stored |
HINT:
|
||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.