What does code P1115 mean on Hyundai vehicles?
The ECU detects a persistent malfunction in the ECT sensor signal.
OBD-II Code Hyundai
P1115 — Hyundai — Engine Coolant Temperature (ECT) Sensor Signal Malfunction
The ECU detects a persistent malfunction in the ECT sensor signal.
Common symptoms
- Check engine light illuminated
Possible causes
- Faulty ECT sensor or damaged wiring
Initial recommendation
Replace ECT sensor and verify cooling system operation.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
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