LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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
>>
Test Conditions:
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Test Conditions:
Codes EO37 and EO38 clear and MAT sensor value greater than or equal to 23°F (-5°C).