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Home >> Lexus >> 2013 >> ES 300h >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System (Diagnostic Codes & Circuit Tests) >> Power Steering System >> DTC U0129, U0293: Lost Communication with Brake System Control Module; Lost Communication with Hybrid Control Module >> Description
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DTC U0129, U0293: Lost Communication with Brake System Control Module; Lost Communication with Hybrid Control Module: Description

The power steering ECU assembly receives signals from the skid control ECU (brake booster with master cylinder assembly) and power management control ECU via the CAN communication system.

DTC No. DTC Detection Condition Trouble Area
U0129 Lost communication with skid control ECU
  • CAN communication system
  • Skid control ECU (Brake booster with master cylinder assembly)
U0293 Lost communication with power management control ECU
  • CAN communication system
  • Power management control ECU
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