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Home >> Lexus >> 2016 >> LX 570 >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System - Diagnostic Codes & Circuit Tests >> Power Steering System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control Module [09/2015 - ] >> Description
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control Module [09/2015 - ]: Description

The power steering ECU receives signals from the ECM, steering sensor, skid control ECU and steering control ECU via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 The engine speed signal is lost.
  • ECM
  • CAN communication system
  • Power steering ECU assembly
U0126 The steering angle signal is lost.
  • Steering sensor
  • CAN communication system
  • Power steering ECU assembly
U0129 The vehicle speed signal is lost.
  • Skid control ECU
  • CAN communication system
  • Power steering ECU assembly
U0130 The VGRS relative angle signal is lost.
  • Steering control ECU
  • CAN communication system
  • Power steering ECU assembly
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