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Home >> Lexus >> 2020 >> UX 200 Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Diagnostic Codes (2 Of 2) & Circuit Tests) (Except Hybrid) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C0526-46: Steering Angle Sensor Module Calibration / Parameter Memory Failure [10/2018 - 07/2022] >> Description

DTC C0526-46: Steering Angle Sensor Module Calibration / Parameter Memory Failure [10/2018 - 07/2022]: Description

When the vehicle is being driven in a straight line at 15 km/h (9 mph) for 1 second or more, the skid control ECU (brake actuator assembly) calculates the steering sensor zero point and updates the zero point if the difference between the calculated zero point and current zero point is between 10° and 15°. The ECU also stores previous zero points.

DTC No. Detection Item DTC Detection Condition Trouble Area
C0526-46 Steering Angle Sensor Module Calibration / Parameter Memory Failure After the steering sensor zero point is obtained, the zero point is lost due to power supply fluctuations, etc. and cannot be reobtained when the vehicle speed is 15 km/h (9 mph) or more.
  • Steering sensor
  • Yaw rate and acceleration sensor (airbag ECU assembly)
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