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Home >> Lexus >> 2013 >> GX 460 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Lane Departure Alert System (Diagnostic Codes & Circuit Tests) >> Lane Departure Alert System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U1104: Lost Communication with Driving Support ECU >> Description

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0122: Lost Communication with Vehicle Dynamics Control Module; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U1104: Lost Communication with Driving Support ECU: Description

DTC Code DTC Detection Condition Trouble Area
U0100 While the engine switch is on (IG), a communication stop between the ECM and driving support ECU continues for 1 second or more.
  • ECM
  • CAN communication system
  • Driving support ECU
U0122 While the engine switch is on (IG), a communication stop between the skid control ECU and driving support ECU continues for 1 second or more.
  • Master cylinder solenoid (skid control ECU)
  • CAN communication system
  • Driving support ECU
U0123 While the engine switch is on (IG), a communication stop between the yaw rate sensor and driving support ECU continues for 1 second or more.
  • Yaw rate sensor
  • CAN communication system
  • Driving support ECU
U1104 While the engine switch is on (IG), a communication stop between the lane recognition camera sensor assembly, skid control ECU and driving support ECU continues for 1 second or more.
  • Driving support ECU
  • CAN communication system
  • Lane recognition camera sensor assembly
  • Master cylinder solenoid (skid control ECU)
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