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Home >> Oldsmobile >> 1988 >> Custom Cruiser >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (DFI ECM Tests W/Codes) >> ECM Code EO38 - Open Mat Sensor Circuit >> DFI ECM Tests W/Codes >> Test Conditions:
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Test Conditions:

WARNING: This page is about a different car, the 1988 Cadillac Seville and 1988 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

Codes EO14 and EO15 are clear. Coolant temperature sensor greater than or equal to -5°C.