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

1. Read the engine coolant temperature sensor 2 on a scan tool
2. Test the sensor 2 circuit for an open or a short
3. Inspect the sensor 2 connector for corrosion
4. Check the coolant level and bleed the system
5. Replace the engine coolant temperature sensor 2 if the circuit tests good
6. Clear the code and retest

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