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Home >> Lexus >> 2018 >> LS 500 Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Vacuum Brake Booster) - Diagnostic Codes (2 Of 4) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster) >> DTC C1289: VGRS Control System Malfunction [12/2017 - 09/2018] >> Description

DTC C1289: VGRS Control System Malfunction [12/2017 - 09/2018]: Description

The skid control ECU (brake actuator assembly) communicates with the VGRS ECU (front steering control ECU) via CAN communication.

If a malfunction in the variable gear ratio steering system (VGRS system) is detected, cooperative control of the steering is prohibited by the fail-safe function.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
C1289 VGRS Control System Malfunction The variable gear ratio steering system fail signal continues to be output for 1 second or more. VGRS ECU (front steering control ECU) -