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.
2016 Lexus GS FFACTORY OEM SERVICE PROCEDURE
Torque Vectoring Differential System
TORQUE VECTORING DIFFERENTIAL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C2A00 | ECU Malfunction |
| C2A01 | ECU Internal Power Source Circuit |
| C2A02 | ECU Internal Temperature Circuit |
| C2A03 | Battery Voltage Malfunction |
| C2A04 | RH R/D Converter Circuit |
| C2A05 | LH R/D Converter Circuit |
| C2A06 | RH Resolver Circuit |
| C2A07 | LH Resolver Circuit |
| C2A08 | RH Pre-Driver Circuit |
| C2A09 | LH Pre-Driver Circuit |
| C2A0A | RH Inverter Circuit |
| C2A0B | LH Inverter Circuit |
| C2A0C | Motor Power Voltage Circuit |
| C2A0D | TVD Relay SW Circuit |
| C2A0E | ECU Internal Circuit Malfunction |
| C2A0F | Internal Control Module EEPROM Error |
| C2A10 | RH Oil Temperature Sensor Range OFF |
| C2A12 | RH Oil Temperature Sensor Circuit (Low) |
| C2A13 | RH Oil Temperature Sensor Circuit (High) |
| C2A15 | LH Oil Temperature Sensor Range OFF |
| C2A17 | LH Oil Temperature Sensor Circuit (Low) |
| C2A18 | LH Oil Temperature Sensor Circuit (High) |
| C2A1A | RH Motor Excess Current |
| C2A1B | LH Motor Excess Current |
| C2A1C | RH Motor Integrated Current Malfunction |
| C2A1D | LH Motor Integrated Current Malfunction |
| C2A1E | RH Differential Motor Current Too High |
| C2A1F | LH Differential Motor Current Too High |
| C2A20 | RH Differential Motor Angle Too High |
| C2A21 | LH Differential Motor Angle Too High |
| C2A22 | RH Motor Current Malfunction |
| C2A23 | LH Motor Current Malfunction |
| C2A24 | RH Clutch Torque Map Learning Malfunction |
| C2A25 | LH Clutch Torque Map Learning Malfunction |
| C2A26 | RH Oil Temperature Sensor Fixation Malfunction |
| C2A27 | LH Oil Temperature Sensor Fixation Malfunction |
| C2A28 | RH Motor Voltage Malfunction |
| C2A29 | LH Motor Voltage Malfunction |
| C2A2A | RH Motor Cam Zero Point Learning Malfunction |
| C2A2B | LH Motor Cam Zero Point Learning Malfunction |
| U0100 | Lost Communication with ECM / PCM "A" |
| U0122 | Lost Communication with Vehicle Dynamics Control Module (ch1) |
| U0123 | Lost Communication with Yaw Rate Sensor Module |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0131 | Lost Communication with Power Steering Control Module |
| U1172 | Lost Communication with Vehicle Dynamics Control Module (ch2) |
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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