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Home >> Lexus >> 2007 >> GS 430 >> Repair and Diagnosis (Single Page) >> Suspension >> Suspension Control Systems >> Suspension Control >> Active Stabilizer Suspension System >> DTC C1940/46 Front Yaw Rate Sensor; DTC C1941/47 Front Acceleration Sensor; DTC C1942/48 Malfunction in Signal from Steering Sensor to Front Active Stabilizer Control ECU; DTC C1943/49 Front Vehicle Speed Signal; DTC C1946/75 Malfunction in Signal from Steering Control ECU to Front Active Stabilizer Control ECU >> Description
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DTC C1940/46 Front Yaw Rate Sensor; DTC C1941/47 Front Acceleration Sensor; DTC C1942/48 Malfunction in Signal from Steering Sensor to Front Active Stabilizer Control ECU; DTC C1943/49 Front Vehicle Speed Signal; DTC C1946/75 Malfunction in Signal from Steering Control ECU to Front Active Stabilizer Control ECU: Description

The active stabilizer suspension system uses CAN communication to gather information necessary for control functions. When a malfunction occurs in another system, DTCs C1940/46, C1941/47, C1942/48, C1943/49 and C1946/57 are stored.

DTC DETECTION CONDITION CHART

DTC Code Detection Condition Trouble Area
C1940/46 Yaw rate sensor malfunction
  • CAN communication line
  • Front active stabilizer control ECU
C1941/47 Acceleration sensor malfunction
C1942/48 Steering sensor malfunction
C1943/49 Speed sensor malfunction
C1946/57 Steering control ECU malfunction
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