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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering System - Diagnostic Codes & Circuit Tests >> Power Steering System >> DTC C155A-16: Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold; DTC C155A-17: Power Steering Motor "A" Supply Voltage Circuit Voltage Above Threshold; DTC C155B-16: Power Steering Motor "B" Supply Voltage Circuit Voltage Below Threshold; DTC C155B-17: Power Steering Motor "B" Supply Voltage Circuit Voltage Above Threshold [11/2023 - ] >> Description

DTC C155A-16: Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold; DTC C155A-17: Power Steering Motor "A" Supply Voltage Circuit Voltage Above Threshold; DTC C155B-16: Power Steering Motor "B" Supply Voltage Circuit Voltage Below Threshold; DTC C155B-17: Power Steering Motor "B" Supply Voltage Circuit Voltage Above Threshold [11/2023 - ]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Note
C155A-16 Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold PIG voltage of system 1 is lower than the standard value
  • Harness or connector
  • Rack and pinion power steering gear assembly
EPS warning light: Comes on -
C155A-17 Power Steering Motor "A" Supply Voltage Circuit Voltage Above Threshold PIG voltage of system 1 is higher than the standard value
  • Harness or connector
  • Rack and pinion power steering gear assembly
EPS warning light: Comes on -
C155B-16 Power Steering Motor "B" Supply Voltage Circuit Voltage Below Threshold PIG voltage of system 2 is lower than the standard value
  • Harness or connector
  • Rack and pinion power steering gear assembly
EPS warning light: Comes on -
C155B-17 Power Steering Motor "B" Supply Voltage Circuit Voltage Above Threshold PIG voltage of system 2 is higher than the standard value
  • Harness or connector
  • Rack and pinion power steering gear assembly
EPS warning light: Comes on -