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Home >> Lexus >> 2021 >> ES 300h Luxury >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Hybrid) - Diagnostic Codes (4 Of 5) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C1434: Steering Angle Sensor Output [06/2018 - ] >> Description

DTC C1434: Steering Angle Sensor Output [06/2018 - ]: Description

Steering angle sensor signals are input to the skid control ECU (brake booster with master cylinder assembly) via the CAN communication system.

HINT: 

When a malfunction occurs in the communication line to the steering angle sensor, U0126 (Lost Communication With Steering Angle Sensor Module) is output.

If a DTC related to the CAN communication line is output, first troubleshoot the CAN communication line.

DTCs may be stored if one of the following occurs:

DTC No. Detection Item INF Code DTC Detection Condition Trouble Area MIL Note
C1434 Steering Angle Sensor Output 701 When communication is normal, a steering angle sensor malfunction is detected.
  • Steering angle sensor installed improperly
  • Wire harness or connector
  • Steering angle sensor
Does not come on VSC DTC