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Home >> Toyota >> 2019 >> Yaris LE >> Repair and Diagnosis (Single Page) >> Steering >> Manual Steering >> Power Steering System - Diagnostic Codes >> Power Steering System >> DTC U3000-05: Control Module System Programming Failures; DTC U3000-41: Control Module general checksum failure; DTC U3000-43: Control Module special memory failure; DTC U3000-46: Control Module calibration / parameter memory failure; DTC U3000-49: Control Module internal electronic failure; DTC U3000-61: Control Module signal calculation failure; DTC U3000-96: Control Module component internal failure [07/2015 - ] >> Contents
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DTC U3000-05: Control Module System Programming Failures; DTC U3000-41: Control Module general checksum failure; DTC U3000-43: Control Module special memory failure; DTC U3000-46: Control Module calibration / parameter memory failure; DTC U3000-49: Control Module internal electronic failure; DTC U3000-61: Control Module signal calculation failure; DTC U3000-96: Control Module component internal failure [07/2015 - ]: Contents

DTC No. Detection Item DTC Detection Condition Warning Indicate Memory Fail-safe Operation Note
U3000-05 Control Module System Programming Failures Power steering ECU
  • Power steering malfunction indicator light: Illuminates
DTC Stored Applicable
  • EPS motor current control: Control disabled
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
U3000-41 Control Module general checksum failure Power steering ECU
  • Power steering malfunction indicator light: Illuminates
DTC Stored Applicable
  • EPS motor current control: Control disabled
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
U3000-43 Control Module special memory failure Power steering ECU
  • Power steering malfunction indicator light: Not illuminate
DTC Stored Applicable
  • EPS motor current control: Control enabled
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
U3000-46 Control Module calibration / parameter memory failure Power steering ECU
  • Power steering malfunction indicator light: Illuminates
DTC Stored Applicable
  • EPS motor current control: Control disabled
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
U3000-49 Control Module internal electronic failure Power steering ECU
  • Power steering malfunction indicator light: Illuminates
DTC Stored Applicable
  • EPS motor current control: Control disabled
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
U3000-61 Control Module signal calculation failure Power steering ECU
  • Power steering malfunction indicator light: Illuminates
DTC Stored Applicable
  • EPS motor current control: Control disabled
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
U3000-96 Control Module component internal failure Power steering ECU
  • Power steering malfunction indicator light: Illuminates
DTC Stored Applicable
  • EPS motor current control: Control disabled
  • Drive cycle: Not applicable
  • Self test type: CMDTC self test
DTC Detection Condition Power steering ECU
  • System malfunction detected by self-diagnosis program of power steering ECU
Fail-safe Operation
  • U3000-05, U3000-41, U3000-46, U3000-49, U3000-61, U3000-96
    • Power steering malfunction indicator light Illuminates
    • EPS motor current control disabled
  • U3000-43
    • Power steering malfunction indicator light does not Illuminate
    • EPS motor current control enabled
Trouble Area
  • Internal malfunction of power steering ECU