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.
2012 Toyota Avalon BaseFACTORY OEM SERVICE PROCEDURE
Automatic Transaxle System
AUTOMATIC TRANSAXLE SYSTEM DTC IDENTIFICATION
| DTC Code | Description |
|---|---|
| P0500 | Vehicle Speed Sensor "A" |
| P0560 | System Voltage |
| P0617 | Starter Relay Circuit High |
| P062F | Internal Control Module EEPROM Error |
| P0705 | Transmission Range Sensor Circuit Malfunction (PRNDL Input) |
| 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 |
| P0715 | Input / Turbine Speed Sensor Circuit Malfunction |
| P0717 | Input Speed Sensor Circuit No Signal |
| P0724 | Brake Switch "B" Circuit High |
| P0741 | Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve SL) |
| P0746 | Pressure Control Solenoid "A" Performance (Shift Solenoid Valve SL1) |
| P0748 | Pressure Control Solenoid "A" Electrical (Shift Solenoid Valve SL1) |
| P0776 | Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2) |
| P0778 | Pressure Control Solenoid "B" Electrical (Shift Solenoid Valve SL2) |
| P0791 | Intermediate Shaft Speed Sensor "A" Circuit |
| P0793 | Intermediate Shaft Speed Sensor "A" |
| P0796 | Pressure Control Solenoid "C" Performance (Shift Solenoid Valve SL3) |
| P0798 | Pressure Control Solenoid "C" Electrical (Shift Solenoid Valve SL3) |
| P0989 | Transmission Fluid Pressure Sensor / Switch "E" Circuit Low |
| P0990 | Transmission Fluid Pressure Sensor / Switch "E" Circuit High |
| P2714 | Pressure Control Solenoid "D" Performance (Shift Solenoid Valve SLT) |
| P2716 | Pressure Control Solenoid "D" Electrical (Shift Solenoid Valve SLT) |
| 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) |
| P2769 | Short in Torque Converter Clutch Solenoid Circuit (Shift Solenoid Valve SL) |
| P2770 | Open in Torque Converter Clutch Solenoid Circuit (Shift Solenoid Valve SL) |
| P2808 | Pressure Control Solenoid "G" Performance (Shift Solenoid Valve SL4) |
| P2810 | Pressure Control Solenoid "G" Electrical (Shift Solenoid Valve SL4) |
| U0100 | Lost Communication with ECM / PCM "A" |
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.
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