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Home >> Lexus >> 2013 >> GS 450h >> Repair and Diagnosis (Single Page) >> Suspension >> Electronic Suspension >> 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 U0293: Lost Communication with Hybrid Control Module >> 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 U0293: Lost Communication with Hybrid Control Module: Description

The absorber control ECU receives signals from the skid control ECU assembly, the steering sensor, the yaw rate sensor, the ECM and power management control ECU via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.

DTC Code Detection Condition Trouble Area
U0101 While driving at 30 km/h (19 mph), CAN communication from the ECM stops for 6 seconds or more.
  • ECM
  • CAN communication system
  • Absorber control ECU
U0122 CAN communication from the skid control ECU (brake actuator assembly) stops for 3 seconds or more.
  • Skid control ECU assembly
  • CAN communication system
  • Absorber control ECU
U0124 CAN communication from the yaw rate sensor stops for 3 seconds or more.
  • Yaw rate sensor
  • CAN communication system
  • Absorber control ECU
U0126 CAN communication from the steering sensor stops for 3 seconds or more.
  • Steering sensor
  • CAN communication system
  • Absorber control ECU
U0293 While driving at 30 km/h (19 mph), CAN communication from the power management control ECU stops for 3 seconds or more.
  • Power management control ECU
  • CAN communication system
  • Absorber control ECU