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.
2015 Scion iQFACTORY OEM SERVICE PROCEDURE
Continuously Variable Transaxle System
CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| 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 "A" Circuit |
| P0717 | Input/Turbine Speed Sensor "A" Circuit No Signal |
| P0720 | Output Speed Sensor Circuit |
| P0722 | Output Speed Sensor Circuit No Signal |
| P0741 | Torque Converter Clutch Solenoid Performance (Shift Solenoid Valve SL) |
| P0746 | Pressure Control Solenoid "A" Performance (Shift Solenoid Valve DS1) |
| P0776 | Pressure Control Solenoid "B" Performance (Shift Solenoid Valve DS2) |
| P0841 | Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance |
| P0842 | Transmission Fluid Pressure Sensor/Switch "A" Circuit Low |
| P0843 | Transmission Fluid Pressure Sensor/Switch "A" Circuit High |
| P0962 | Pressure Control Solenoid "A" Control Circuit Low (Shift Solenoid Valve DS1) |
| P0963 | Pressure Control Solenoid "A" Control Circuit High (Shift Solenoid Valve DS1) |
| P0966 | Pressure Control Solenoid "B" Control Circuit Low (Shift Solenoid Valve DS2) |
| P0967 | Pressure Control Solenoid "B" Control Circuit High (Shift Solenoid Valve DS2) |
| P1585 | Acceleration Sensor Circuit |
| P1586 | Acceleration Sensor Malfunction |
| P1589 | Acceleration Sensor Learning Value |
| P2757 | Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance (Shift Solenoid Valve DSU) |
| P2763 | Torque Converter Clutch Pressure Control Solenoid Control Circuit High (Shift Solenoid Valve DSU) |
| P2764 | Torque Converter Clutch Pressure Control Solenoid Control Circuit Low (Shift Solenoid Valve DSU) |
| P2767 | Input / Turbine Speed Sensor "B" Circuit No Signal |
| P2769 | Short in Torque Converter Clutch Solenoid Circuit (Shift Solenoid Valve SL) |
| P2770 | Open in Torque Converter Clutch Solenoid Circuit (Shift Solenoid Valve SL) |
| P2829 | Pressure Control Solenoid "K" Performance (Shift Solenoid Valve SLS) |
| P282B | Pressure Control Solenoid "K" Electrical (Shift Solenoid Valve SLS) |
| U0129 | Lost Communication with Brake System Control Module |
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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