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Home >> Toyota >> 2017 >> Sienna LE, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) - Diagnostic Codes & Circuit Tests >> Lighting System >> Diagnostic Codes >> DTC U0101: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Skid Control ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U023A: Lost Communication With Image Processing Module "A" [11/2017 - ] >> Description
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DTC U0101: Lost Communication with ECM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Skid Control ECU; DTC U0142: Lost Communication with Main Body ECU; DTC U023A: Lost Communication With Image Processing Module "A" [11/2017 - ]: Description

The DTCs are stored when the CAN communication system is malfunctioning.

DTC No. DTC Detection Condition Trouble Area
U0101 Lost communication with ECM CAN communication system
U0126 Lost communication with steering angle sensor CAN communication system
U0129 Lost communication with skid control ECU CAN communication system
U0142 Lost communication with main body ECU CAN communication system
U023A Lost Communication With Image Processing Module "A"
  • CAN communication system
  • Forward recognition camera
  • Main body ECU