FixVault
Home
›
Cadillac
›
1994
›
DeVille Base
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Tests W/Codes - 4.9L
›
Pcm Code Charts
›
Code P015, Open ECT Sensor Signal
›
Test Conditions
Test Conditions
Codes P037 and P038 not set and IAT sensor value greater than or equal to -4.4°F (-20°C).