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 MANUALSTOYOTA2025HIGHLANDER XSEREPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXDTC INDEX (6 OF 6)TRANSFER / 4WD / AWD DTCSGF2A DYNAMIC TORQUE CONTROL AWD SYSTEM
2025 Toyota Highlander XSE
GF2A Dynamic Torque Control AWD System
2025 Toyota Highlander XSESECTION GF2A Dynamic Torque Control AWD System
DYNAMIC TORQUE CONTROL AWD SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [12/2019 - 11/2023]
| DTC Code | Description |
|---|---|
| C05D8-1C | 4WD/AWD Clutch "A" Actuator Control Circuit Performance Circuit Voltage Out of Range |
| C05E0-1C | 4WD/AWD Clutch "A" Position Sensor Circuit Range/Performance Circuit Voltage Out of Range |
| C05E7-1C | 4WD/AWD Clutch "B" Actuator Control Circuit Performance Circuit Voltage Out of Range |
| C05F5-1C | 4WD/AWD Front/Rear Range Actuator Control Circuit Performance Circuit Voltage Out of Range |
| C120C-1C | Linear Solenoid Power Supply System Circuit Voltage Out of Range |
| C123A-1C | Supply Voltage Circuit Circuit Voltage Out of Range |
| C13ED-1C | 4WD/AWD Ring Gear Revolution Sensor Circuit Voltage Out of Range |
| C13F2-1C | 4WD/AWD Rear Differential Oil Temperature Sensor Circuit Voltage Out of Range |
| C13F7-00 | 4WD/AWD Front Disconnect System Performance |
| C13F8-00 | 4WD/AWD Rear Disconnect System Performance |
| C13FB-00 | 4WD/AWD Front/Rear Disconnect System Stuck ON |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| U0125-87 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message |
| U0131-87 | Lost Communication With Power Steering Control Module Missing Message |
DYNAMIC TORQUE CONTROL AWD SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2023 - ]
| DTC Code | Description |
|---|---|
| C05D8-1C | 4WD/AWD Clutch "A" Actuator Control Circuit Performance Circuit Voltage Out of Range |
| C05E0-1C | 4WD/AWD Clutch "A" Position Sensor Circuit Range/Performance Circuit Voltage Out of Range |
| C05E7-1C | 4WD/AWD Clutch "B" Actuator Control Circuit Performance Circuit Voltage Out of Range |
| C05F5-1C | 4WD/AWD Front/Rear Range Actuator Control Circuit Performance Circuit Voltage Out of Range |
| C123A-1C | Supply Voltage Circuit Circuit Voltage Out of Range |
| C13ED-1C | 4WD/AWD Ring Gear Revolution Sensor Circuit Voltage Out of Range |
| C13F2-1C | 4WD/AWD Rear Differential Oil Temperature Sensor Circuit Voltage Out of Range |
| C13F7-00 | 4WD/AWD Front Disconnect System Performance |
| C13F8-00 | 4WD/AWD Rear Disconnect System Performance |
| C13FB-00 | 4WD/AWD Front/Rear Disconnect System Stuck ON |
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| U0125-87 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message |
| U0126-87 | Lost Communication with Steering Angle Sensor Module Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message |
| U0131-87 | Lost Communication With Power Steering Control Module Missing Message |
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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.