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.
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HOMESERVICE MANUALSTOYOTA2025COROLLA CROSS L, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (1 OF 4)AUTOMATIC TRANSAXLE DTCSK120F (CVT) CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM
2025 Toyota Corolla Cross L, FWD
K120F (CVT) Continuously Variable Transaxle System
2025 Toyota Corolla Cross L, FWDSECTION K120F (CVT) Continuously Variable Transaxle System
CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| P0335-31 | Crankshaft Position Sensor "A" No Signal |
| P0607-47 | Control Module Performance Bank 1 Watchdog/Safety MCU Failure |
| P0613-47 | TCM Processor Watchdog/Safety MCU Failure |
| P062F-44 | Internal Control Module EEPROM Data Memory Failure |
| P0703-12 | Brake Switch "B" Circuit Short to Battery |
| P0705-13 | Transmission Range Sensor "A" Circuit Open |
| P0705-62 | Transmission Range Sensor "A" Signal Compare Failure |
| P0710-00 | Transmission Fluid Temperature Sensor "A" Circuit Range/Performance |
| P0710-11 | Transmission Fluid Temperature Sensor "A" Circuit Short To Ground |
| P0710-15 | Transmission Fluid Temperature Sensor "A" Circuit Short to Battery or Open |
| P0715-12 | Input/Turbine Speed Sensor "A" Circuit Short to Battery |
| P0715-14 | Input/Turbine Speed Sensor "A" Circuit Short to Ground or Open |
| P0715-31 | Input/Turbine Speed Sensor "A" No Signal |
| P0720-12 | Output Speed Sensor Circuit Short to Battery |
| P0720-14 | Output Speed Sensor Circuit Short to Ground or Open |
| P0720-31 | Output Speed Sensor No Signal |
| P0745-12 | Pressure Control Solenoid "A" Circuit Short to Battery |
| P0745-14 | Pressure Control Solenoid "A" Circuit Short to Ground or Open |
| P0745-7F | Pressure Control Solenoid "A" Actuator Stuck Off |
| P0775-12 | Pressure Control Solenoid "B" Circuit Short to Battery |
| P0775-14 | Pressure Control Solenoid "B" Circuit Short to Ground or Open |
| P0775-7F | Pressure Control Solenoid "B" Actuator Stuck Off |
| P0840-00 | Transmission Fluid Pressure Sensor/Switch "A" Circuit Range/Performance |
| P0840-11 | Transmission Fluid Pressure Sensor/Switch "A" Circuit Short To Ground |
| P0840-15 | Transmission Fluid Pressure Sensor/Switch "A" Circuit Short To Battery or Open |
| P08C3-12 | Pressure Control Solenoid "M" Circuit Short to Battery |
| P08C3-14 | Pressure Control Solenoid "M" Circuit Short to Ground or Open |
| P08C3-7F | Pressure Control Solenoid "M" Actuator Stuck Off |
| P0914-00 | Gear Shift Position Circuit Range/Performance |
| P0914-12 | Gear Shift Position Circuit Short to Battery |
| P0914-14 | Gear Shift Position Circuit Short to Ground or Open |
| P1702-9F | AT Solenoids Operation Shutdown Circuit Stuck Off |
| P1703-00 | AT Solenoid Output Malfunction |
| P2745-12 | Intermediate Shaft Speed Sensor "B" Circuit Short to Battery |
| P2745-14 | Intermediate Shaft Speed Sensor "B" Circuit Short to Ground or Open |
| P2745-31 | Intermediate Shaft Speed Sensor "B" No Signal |
| P2749-12 | Intermediate Shaft Speed Sensor "C" Circuit Short to Battery |
| P2749-14 | Intermediate Shaft Speed Sensor "C" Circuit Short to Ground or Open |
| P2749-31 | Intermediate Shaft Speed Sensor "C" No Signal |
| P2756-00 | Torque Converter Clutch Pressure Control Solenoid Control Circuit Performance/Stuck Off |
| P2756-12 | Torque Converter Clutch Pressure Control Solenoid Control Circuit Short to Battery |
| P2756-14 | Torque Converter Clutch Pressure Control Solenoid Control Circuit Short to Ground or Open |
| P2756-7E | Torque Converter Clutch Pressure Control Solenoid Control Actuator Stuck On |
| P281F-00 | Pressure Control Solenoid "J" Performance/Stuck Off (2 Trip Detected) |
| P281F-12 | Pressure Control Solenoid "J" Circuit Short to Battery |
| P281F-14 | Pressure Control Solenoid "J" Circuit Short to Ground or Open |
| P281F-71 | Pressure Control Solenoid "J" Performance/Stuck Off Actuator Stuck |
| P2828-12 | Pressure Control Solenoid "K" Circuit Short to Battery |
| P2828-14 | Pressure Control Solenoid "K" Circuit Short to Ground or Open |
| P2828-7F | Pressure Control Solenoid "K" Actuator Stuck Off |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| U0129-87 | Lost Communication With Brake System Control Module Missing Message |
| U1103-87 | Lost Communication with Stop and Start Control Module Missing Message |
RENDER: 1.0x
NO RELATED
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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.