P0115 Fault Code — Engine Coolant Temperature Sensor Circuit

Severity: 🟠 High — diagnose within 1–2 days

Coolant temp sensor (ECT) circuit fault — engine management uses wrong temperature.

Can You Drive With This Code?

With caution. With a faulty ECT sensor the ECU may over-fuel or run fans incorrectly. If the temperature gauge is erratic or the car is overheating, stop immediately.

Common Symptoms

Common Causes

How We Fix It

Replace ECT sensor, bleed cooling system, check wiring.

Repair Cost in Hyderabad

₹2,500–₹6,500

Frequently Asked Questions

What does P0115 mean?

P0115 (Engine Coolant Temperature Sensor Circuit) means Coolant temp sensor (ECT) circuit fault — engine management uses wrong temperature. Common symptoms include cold start problems, temperature gauge not working, rich running.

How much does P0115 repair cost in Hyderabad?

At GarageNation Hyderabad, P0115 repair typically costs ₹2,500–₹6,500. We always diagnose first and give a fixed quote before any work begins.

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