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Home >> Hyundai >> 1991 >> Excel GS, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis & Overhaul - Km175, Km176 & Km177 >> Operation >> Transaxle Control Unit >> Coolant Temperature Sensor

Coolant Temperature Sensor

Sensor informs TCU of coolant temperature. TCU allows full operation of transaxle systems after coolant temperature reaches 122°F (50°C).