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.
2011 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE
Can Communication System
CAN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0122-732 | Lost Communication with Skid Control ECU |
| U0123-736 | Lost Communication with Yaw Rate Sensor |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0130 | Lost Communication with VGRS |
| U0131-433 | Lost Communication with Power Steering Control Module |
| U0131-434 | Lost Communication with Power Steering Control Module |
| U0132 | Lost Communication with Suspension Control ECU |
| U1003 | Lost Communication with Can Gateway Module |
| U1108 | Lost Communication with Front Active Stabilizer ECU |
| U1109 | Lost Communication with Rear Active Stabilizer ECU |
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.