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Home >> Oldsmobile >> 1990 >> Custom Cruiser >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - Torque Converter Clutch >> Description >> TCC Control Components >> Coolant Temperature Sensor
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Coolant Temperature Sensor

This sensor provides ECM with engine coolant temperature information. ECM will not allow TCC operation until signal from this sensor indicates coolant temperature greater than 130-150°F (55-65°C).

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