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Home >> Cadillac >> 1990 >> Seville Base, 4T60/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> ECM Trouble Code Charts >> ECM Code EO15: Open Coolant Sensor Circuit >> Failure Conditions:

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Failure Conditions:

Coolant sensor value is -36°F (-38°C) or greater.

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