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Home >> Lexus >> 2010 >> RX 350 FWD >> Repair and Diagnosis >> Suspension >> Electronic Suspension >> Air Suspension (Diagnostic Codes) >> Air Suspension System >> DTC U0100: Lost Communication with ECM / PCM "A"; 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 U0140: Lost Communication with Main Body ECU (TO 08/2009) >> Description

DTC U0100: Lost Communication with ECM / PCM "A"; 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 U0140: Lost Communication with Main Body ECU (TO 08/2009): Description

The suspension control ECU inputs signals from the skid control ECU, yaw rate sensor, ECM, TCM and main body ECU via CAN communication.

DTC No. DTC Detection Condition Trouble Area
U0100 While driving at 19 mph (30 km/h), ECM informs of CAN communication stop for 3 seconds or more
  • CAN communication line
  • ECM
  • Suspension control ECU
U0101 While driving at 19 mph (30 km/h), TCM informs of CAN communication stop for 3 seconds or more
  • CAN communication line
  • TCM
  • Suspension control ECU
U0122 Skid control ECU informs of CAN communication stop for 3 seconds or more
  • CAN communication line
  • Skid control ECU
  • Suspension control ECU
U0124 Yaw rate sensor informs of CAN communication stop for 3 seconds or more
  • CAN communication line
  • Yaw rate sensor
  • Suspension control ECU
U0140 main body ECU informs of CAN communication stop for 10 seconds or more
  • CAN communication line
  • Main body ECU
  • Suspension control ECU