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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 B1249: Direction Potentiometer Open (Low) Driver >> General Information >> General Description

General Information: General Description

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The Mode Control Actuator mounted on heater unit adjusts position of mode door by operating Direction Motor based on signal of A/C control unit. Pressing mode select switch makes the Mode Control Actuator shift in order of Vent_ B/L _ Floor _ Mix.