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Home >> Hyundai >> 2014 >> Accent GLS, Automatic Trans >> Repair and Diagnosis >> Steering >> Power Steering >> Power Steering System Diagnosis >> DTC C1291: Torque Sensor Sub Signal Fail >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Voltage check
  1. Open/short in sub signal circuit
  2. Contact resistance in connections.
  3. Faulty sensor
  4. Faulty ECM.
Enable conditions
  • Torque sensor voltage ≥ 7 V
Threshold value
  • Sub sensor output > 9.4 mA or < 0.6 mA
Diagnosis time
  • 1sec
Fail safe
  • Motor: OFF
  • Relay: OFF
  • Fail lamp: ON
  • Restoration condition: Power "OFF"
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