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Home >> Lexus >> 2013 >> GS 450h >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering System (Diagnostic Codes & Circuit Tests) >> Power Steering System >> DTC U0129/42: Lost Communication with Brake System Control Module; DTC U0132/43: Lost Communication with Ride Level Control Module; DTC U0293/41: Lost Communication with Hybrid Control Module; DTC U1104/45: Lost Communication with Driving Support ECU >> Description
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DTC U0129/42: Lost Communication with Brake System Control Module; DTC U0132/43: Lost Communication with Ride Level Control Module; DTC U0293/41: Lost Communication with Hybrid Control Module; DTC U1104/45: Lost Communication with Driving Support ECU: Description

The power steering ECU inputs and outputs power management control ECU, skid control ECU, absorber control ECU and driving support ECU signals via CAN communication.

DTC Code DTC Detection Condition Trouble Area
U0129/42 A skid control ECU communication error.
  • CAN communication system
  • Skid control ECU (skid control ECU assembly)
U0132/43 An absorber control ECU communication error.
  • CAN communication system
  • Absorber control ECU
U0293/41 A power management control ECU communication error.
  • CAN communication system
  • Power management control ECU
U1104/45 A driving support ECU communication error.
  • CAN communication system
  • Driving support ECU
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