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Home >> Toyota >> 2019 >> Yaris LE >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> Dynamic Stability Control System - Diagnostic Codes (2 Of 2) >> Dynamic Stability Control >> DTC U0001-88: High Speed CAN Communication Bus bus off; DTC U0100-00: Lost Communication With ECM/PCM "A"; DTC U0101-00: Lost Communication with TCM; DTC U0131-00: Lost Communication With Power Steering Control Module; DTC U0151-00: Lost Communication With Restraints Control Module; DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0235-00: Lost Communication With Cruise Control Front Distance Range Sensor [07/2015 - ] >> Contents
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DTC U0001-88: High Speed CAN Communication Bus bus off; DTC U0100-00: Lost Communication With ECM/PCM "A"; DTC U0101-00: Lost Communication with TCM; DTC U0131-00: Lost Communication With Power Steering Control Module; DTC U0151-00: Lost Communication With Restraints Control Module; DTC U0155-00: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0235-00: Lost Communication With Cruise Control Front Distance Range Sensor [07/2015 - ]: Contents

DTC No. Detection Item DTC Detection Condition Warning Indicate Memory Fail-safe Operation Note
U000188 High Speed CAN Communication Bus bus off CAN line
  • ABS warning light: Illuminates
  • Brake warning light (when parking brake is released): Not illuminate
  • Slip indicator light: Illuminates
  • DSC OFF indicator light: Not illuminate
  • Tire pressure warning light*1: Illuminates
  • Smart city brake support (SCBS) warning light (amber)*2: Illuminates
*1: w/ Tire Pressure Warning System*2: w/ Smart city brake support (SCBS)		 DTC Stored Applicable
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test, ODDTC self test
U010000 Lost Communication With ECM/PCM "A" CAN line
  • ABS warning light: Illuminates*3
  • Brake warning light (when parking brake is released): Not illuminate
  • Slip indicator light: Illuminates*3
  • DSC OFF indicator light: Not illuminate
  • Tire pressure warning light*1: Illuminates*3
  • Smart city brake support (SCBS) warning light (amber)*2: Illuminates*3
*1: w/ Tire Pressure Warning System*2: w/ Smart city brake support (SCBS)*3: Not illuminate depending on malfunction content		 DTC Stored Applicable
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test, ODDTC self test
U010100 Lost Communication with TCM CAN line
  • ABS warning light: Not illuminate
  • Brake warning light (when parking brake is released): Not illuminate
  • Slip indicator light: Illuminates
  • DSC OFF indicator light: Not illuminate
  • Tire pressure warning light*1: Illuminates
  • Smart city brake support (SCBS) warning light (amber)*2: Illuminates
*1: w/ Tire Pressure Warning System*2: w/ Smart city brake support (SCBS)		 DTC Stored Applicable
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test, ODDTC self test
U013100 Lost Communication With Power Steering Control Module CAN line
  • ABS warning light: Not illuminate
  • Brake warning light (when parking brake is released): Not illuminate
  • Slip indicator light: Illuminates
  • DSC OFF indicator light: Not illuminate
  • Tire pressure warning light*1: Illuminates
  • Smart city brake support (SCBS) warning light (amber)*2: Illuminates
*1: w/ Tire Pressure Warning System*2: w/ Smart city brake support (SCBS)		 DTC Stored Applicable
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test, ODDTC self test
U015100 Lost Communication With Restraints Control Module CAN line
  • ABS warning light: Not illuminate
  • Brake warning light (when parking brake is released): Not illuminate
  • Slip indicator light: Illuminates
  • DSC OFF indicator light: Not illuminate
  • Tire pressure warning light*1: Not illuminate
  • Smart city brake support (SCBS) warning light (amber)*2: Illuminates*3
*1: w/ Tire Pressure Warning System*2: w/ Smart city brake support (SCBS)*3: Not illuminate depending on malfunction content		 DTC Stored Applicable
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test, ODDTC self test
U015500 Lost Communication With Instrument Panel Cluster (IPC) Control Module CAN line
  • ABS warning light: Illuminates*3
  • Brake warning light (when parking brake is released): Not illuminate
  • Slip indicator light: Illuminates*3
  • DSC OFF indicator light: Not illuminate
  • Tire pressure warning light*1: Not illuminate
  • Smart city brake support (SCBS) warning light (amber)*2: Illuminates*3
*1: w/ Tire Pressure Warning System*2: w/ Smart city brake support (SCBS)*3: Not illuminate depending on malfunction content		 DTC Stored Applicable
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test, ODDTC self test
U023500 Lost Communication With Cruise Control Front Distance Range Sensor CAN line
  • ABS warning light: Not illuminate
  • Brake warning light (when parking brake is released): Not illuminate
  • Slip indicator light: Not illuminate
  • DSC OFF indicator light: Not illuminate
  • Tire pressure warning light*1: Not illuminate
  • Smart city brake support (SCBS) warning light (amber)*2: Illuminates
*1: w/ Tire Pressure Warning System*2: w/ Smart city brake support (SCBS)		 DTC Stored Applicable
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test, ODDTC self test
DTC Detection Condition
  • U000188 (CAN line)
    • Open or short circuit in CAN system wiring harness is detected
  • U010000 (CAN line)
    • Communication error to ECM is detected in CAN communication
  • U010100 (CAN line)
    • Communication error to TCM is detected in CAN communication
  • U013100 (CAN line)
    • Communication error to power steering ECU is detected in CAN communication
  • U015100 (CAN line)
    • Communication error to center airbag sensor assembly is detected in CAN communication
  • U015500 (CAN line)
    • Communication error to combination meter is detected in CAN communication
  • U023500 (CAN line)
    • Communication error to laser sensor is detected in CAN communication
Fail-safe Operation Refer to FAIL-SAFE CHART.
Refer to FAIL-SAFE CHART [07/2015 - ]
Trouble Area
  • CAN communication line malfunction
  • CAN communication line malfunction with ECM
  • CAN communication line malfunction with TCM
  • CAN communication line malfunction with power steering ECU
  • CAN communication line malfunction with center airbag sensor assembly
  • CAN communication line malfunction with combination meter
  • CAN communication line malfunction with laser sensor
  • Combination meter malfunction
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