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Home >> Toyota >> 2009 >> Matrix Base, Standard >> Repair and Diagnosis >> Steering >> Power Steering >> Power Assist Steering Systems >> Power Steering System >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module >> Description
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DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module: Description

The power steering ECU receives signals from the ECM and the skid control ECU via the CAN communication system.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. DTC Detection Condition Trouble Area
U0100 Lost communication with ECM/PCM "A"
  • CAN communication system
  • ECM
U0129 Lost communication with brake system control module
  • CAN communication system
  • Skid control ECU