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Home >> Lexus >> 2015 >> GS 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Lane Keeping Assist System (Diagnostic Codes & Circuit Tests) >> Lane-Keeping Assist System >> DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U1104: Lost Communication with Driving Support ECU; DTC U1119: Lost Communication with Object Recognition ECU (CAN) [09/2014 - 10/2015] >> Description
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DTC U0125: Lost Communication with Yaw Rate Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Electric Power Steering ECU; DTC U1104: Lost Communication with Driving Support ECU; DTC U1119: Lost Communication with Object Recognition ECU (CAN) [09/2014 - 10/2015]: Description

This DTC is output when a communication malfunction occurs between the sensors and ECUs.

DTC Code DTC Detection Condition Trouble Area
U0125 The driving support ECU is unable to receive certain data from the yaw rate sensor for 0.77 seconds or more.
  • Yaw rate sensor
  • CAN communication system
  • Driving support ECU
U0129 The driving support ECU is unable to receive certain data from the skid control ECU assembly for 5.24 seconds or more.
  • Skid control ECU assembly
  • CAN communication system
  • Driving support ECU
U0131 The driving support ECU is unable to receive certain data from the power steering ECU assembly for 0.85 seconds or more.
  • Power steering ECU assembly
  • CAN communication system
  • Driving support ECU
U1104 The driving support ECU data sent to the millimeter wave radar sensor assembly or driver monitor ECU assembly is lost for 0.35 seconds or more.
  • Power steering ECU assembly
  • Skid control ECU Assembly
  • CAN communication system
  • Driving support ECU
U1119 The driving support ECU is unable to receive certain data from the lane recognition camera sensor assembly for 0.65 second or more.
  • Lane recognition camera sensor assembly
  • CAN communication system
  • Driving support ECU