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 MANUALSLEXUS2009GS 350 RWD V6-3.5L (2GR-FSE)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONC CODE CHARTSC1289
2009 Lexus GS 350 RWD V6-3.5L (2GR-FSE)
C1289
2009 Lexus GS 350 RWD V6-3.5L (2GR-FSE)SECTION C1289
BRAKE CONTROL: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: C1289/41: VGRS Control System Malfunction
DTC C1289/41 - VGRS Control System Malfunction
DESCRIPTION
The skid control ECU communicates with the steering control (VGRS) ECU via CAN communication.
If a malfunction in the VGRS system is detected, cooperative control of the steering is prohibited by the fail-safe function.
INSPECTION PROCEDURE
NOTE:
When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration Programming and Relearning.
PROCEDURE
1. CHECK DTC FOR VGRS SYSTEM
(a) Clear the DTC Variable Gear Ratio Steering System.
(b) Check for the DTC Variable Gear Ratio Steering System.
Result:
B -- REPAIR VGRS SYSTEM ACCORDING TO DTC OUTPUT
A -- Continue to next step.
2. RECONFIRM DTC
(a) Clear the DTC Electronically Controlled Brake System.
(b) Turn the engine switch on (IG).
(c) Check if the same DTC is recorded Electronically Controlled Brake System.
Result:
B -- CHECK DTC FOR VGRS SYSTEM
A -- END
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.