Code 14: Revision history

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6 July 2026

  • curprev 18:5618:56, 6 July 2026 Cliff talk contribs 2,866 bytes +2,866 Created page with "'''Code 14''' is a diagnostic trouble code related to the coolant temperature sensor circuit on the Pontiac Fiero. Code 14 indicates that the ECM is seeing a coolant temperature sensor signal that represents an unusually high coolant temperature. == Overview == The coolant temperature sensor is a thermistor. Its resistance changes with temperature. As coolant temperature rises, sensor resistance decreases. Code 14 is set when the..."