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Home >> Oldsmobile >> 1989 >> Custom Cruiser >> Repair and Diagnosis >> Engine Performance >> System >> CCC V8 Carburetor Tests W/Codes >> Self-Diagnostics >> Code 14 - Coolant Temp Sensor Signal Volt Low >> Notes
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Code 14 - Coolant Temp Sensor Signal Volt Low: Notes

NOTE: Test numbers refer to test numbers on diagnostic chart.
  1. Code 14 indicates the ECM has seen low coolant sensor voltage signal (high temperature) at ECM terminal No. 3 for 90 seconds or more.
  2. This test checks for grounded circuit between ECM and coolant sensor.