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 XLE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (4 OF 4)TRANSFER / 4WD / AWD) DTCSGF1A DYNAMIC TORQUE CONTROL AWD SYSTEM
2025 Toyota Corolla Cross XLE, FWD
GF1A Dynamic Torque Control AWD System
2025 Toyota Corolla Cross XLE, FWDSECTION GF1A Dynamic Torque Control AWD System
DYNAMIC TORQUE CONTROL AWD SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [09/2021 - 11/2022]
| DTC Code | Description |
|---|---|
| C120C | Linear Solenoid Power Supply System Malfunction |
| C1241 | Low or High Power Supply Voltage |
| C1280 | Engine Control System Malfunction |
| C1296 | ABS Malfunction |
| C1297 | Steering Angle Sensor |
| C1298 | Linear Solenoid |
| C1299 | Cancellation of 4WD Control |
| C1337 | Diameter of the Tire is not Uniform |
| U0073 | Control Module Communication Bus Off |
| U0100 | Lost Communication with ECM / PCM "A" |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0129 | Lost Communication with Brake System Control Module |
DYNAMIC TORQUE CONTROL AWD SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2022 - 11/2023]
| DTC Code | Description |
|---|---|
| C120C | Linear Solenoid Power Supply System Malfunction |
| C1241 | Low or High Power Supply Voltage |
| C1280 | Engine Control System Malfunction |
| C1296 | ABS Malfunction |
| C1297 | Steering Angle Sensor |
| C1298 | Linear Solenoid |
| C1299 | Cancellation of 4WD Control |
| C1337 | Diameter of the Tire is not Uniform |
| U0073 | Control Module Communication Bus Off |
| U0100 | Lost Communication with ECM / PCM "A" |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0129 | Lost Communication with Brake System Control Module |
DYNAMIC TORQUE CONTROL AWD SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2023 - ]
| DTC Code | Description |
|---|---|
| C120C | Linear Solenoid Power Supply System Malfunction |
| C1241 | Low or High Power Supply Voltage |
| C1280 | Engine Control System Malfunction |
| C1296 | ABS Malfunction |
| C1297 | Steering Angle Sensor |
| C1298 | Linear Solenoid |
| C1299 | Cancellation of 4WD Control |
| C1337 | Diameter of the Tire is not Uniform |
| U0073 | Control Module Communication Bus Off |
| U0100 | Lost Communication with ECM / PCM "A" |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0129 | Lost Communication with Brake System Control Module |
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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.