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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 93 (Battery Management System Diagnosis (HEV)) >> DTC P0AAF: Hybrid Battery Pack Air Temperature Sensor 'A' Circuit High >> General Information >> DTC Description

DTC Description

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BMS ECU receives detecting temperature from Ambient Temperature Sensor installed on the hybrid high voltage battery. BMS ECU sets DTC when BMS ECU detects that Ambient Temperature is under -45°C (-49°F) It means that ambient temperature sensor is open in the circuit.