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Home >> Toyota >> 2011 >> Camry Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 476 (Power Steering System (2AR-FE) (W/ Wireless Door Lock) (Diagnostic Codes & Circuit Tests) (Except Hybrid)) >> POWER STEERING SYSTEM (for 2AR with Wireless Door Lock) >> DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module >> Description

DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module: Description

WARNING: This page is about a different car, the 2013 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.

The power steering ECU assembly receives signals from the brake actuator assembly and ECM via the CAN communication system.

DTC No. DTC Detection Condition Trouble Area
U0100 Lost communication with ECM
  • CAN communication system
  • ECM
U0129 Lost communication with brake actuator assembly
  • CAN communication system
  • Brake actuator assembly
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