Fault Code P2184
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2184
Engine Coolant Temperature Sensor 2 Circuit Low
This code indicates an abnormally low voltage reading in the circuit of the second Engine Coolant Temperature (ECT) sensor (if present), suggesting an electrical fault such as a short to ground or an open circuit.
Part Details
Part Name
Engine Coolant Temperature (ECT) Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪150 - ₪450
Engine Location
Engine block/Cylinder head
Symptoms
- Inaccurate temperature gauge (usually too cold)
- Cooling fan running continuously
- Difficulty starting
- Check Engine Light on
Possible Causes
- 1Faulty ECT2 sensor
- 2Short circuit in sensor wiring to ground
- 3Open circuit in the sensor wiring
- 4Corrosion in connectors
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