FixVault
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:

Failure Conditions:

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

About FixVault