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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 120 (Air Conditioning System Diagnosis (HEV)) >> DTC B1209: Intake Potentiometer Short (High) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Voltage check
  1. Short to battery in signal (Feedback) circuit
  2. Open in ground circuit
  3. Faulty Intake Actuator
  4. Faulty Air Conditioner Module
Enable Conditions
  • Ignition ON
Threshold Value
  • Intake Actuator sensor signal is at or over 4.9V for 0.3 seconds
Fail-Safe
  • Intake Actuator is moved and fixed at FRE position if FRE is selected or REC position if REC is selected.
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