P2182
Engine Coolant Temperature Sensor 2 Circuit
What it means
P2182 means Engine Coolant Temperature Sensor 2 Circuit.
Where it lives
For P2182, the sensor sits on the circuit this code reports. The description of P2182 reports a fault at the sensor.
Check these first
- A failed engine coolant temperature sensor 2
- An open or short in the sensor 2 wiring
- Corrosion at the sensor 2 connector
- Low coolant or air in the cooling system
- A failed ECM
What to do next
- Read the engine coolant temperature sensor 2 on a scan tool
- Test the sensor 2 circuit for an open or a short
- Inspect the sensor 2 connector for corrosion
- Check the coolant level and bleed the system
- Replace the engine coolant temperature sensor 2 if the circuit tests good
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.