LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Oldsmobile >> 1990 >> Custom Cruiser >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Tests W/Codes) >> ECM Code Charts >> Code E15: Open Coolant Sensor Circuit >> Failure Conditions
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Failure Conditions

WARNING: This page is about a different car, the 1990 Cadillac Fleetwood and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Coolant sensor value less than or equal to -36°F (-38°C). Sensor signal is open.