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Home >> Lexus >> 2018 >> LC 500h >> Repair and Diagnosis (Single Page) >> Suspension >> Suspension Control Systems >> Adaptive Variable Suspension System - Diagnostic Codes >> Adaptive Variable Suspension System >> DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0130: Lost Communication with VGRS; DTC U0293: Lost Communication with Hybrid Vehicle Control System [01/2017 - ] >> Description
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DTC U0101: Lost Communication with TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0124: Lost Communication with Lateral Acceleration Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0130: Lost Communication with VGRS; DTC U0293: Lost Communication with Hybrid Vehicle Control System [01/2017 - ]: Description

The absorber control ECU receives signals from the skid control ECU assembly, steering sensor, G sensor (yaw rate sensor), VGRS ECU (front steering control ECU)* and hybrid vehicle control ECU assembly via CAN communication.

When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.

  1. *: w/ Variable Gear Ratio Steering System
DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Memory
U0101 Lost Communication with TCM While driving at 30 km/h (19 mph) or more, data is not received via CAN communication for 6 seconds or more.
  • Hybrid vehicle control ECU assembly
  • CAN communication system
  • Absorber control ECU
 Does not come on Yes
U0122 Lost Communication with Vehicle Dynamics Control Module Data is not received from the skid control ECU assembly via CAN communication for 3 seconds or more.
  • Skid control ECU assembly
  • CAN communication system
  • Absorber control ECU
 Does not come on Yes
U0124 Lost Communication with Lateral Acceleration Sensor Module Data is not received from the G sensor (yaw rate sensor) via CAN communication for 3 seconds or more.
  • G sensor (yaw rate sensor)
  • CAN communication system
  • Absorber control ECU
 Does not come on Yes
U0126 Lost Communication with Steering Angle Sensor Module Data is not received from the steering sensor via CAN communication for 3 seconds or more.
  • Steering sensor
  • CAN communication system
  • Absorber control ECU
 Does not come on Yes
U0130 Lost Communication with VGRS After the power switch is turned on (IG) and 5 seconds elapse, CAN communication from the VGRS ECU (front steering control ECU) stops for 3 seconds or more.
  • VGRS ECU (front steering control ECU)
  • CAN communication system
  • Absorber control ECU
 Does not come on Yes
U0293 Lost Communication with Hybrid Vehicle Control System While driving at 30 km/h (19 mph) or more, data is not received via CAN communication for 3 seconds or more.
  • Hybrid vehicle control ECU assembly
  • CAN communication system
  • Absorber control ECU
 Does not come on Yes
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