P017C
Cylinder Head Temperature Sensor A Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check and clean the cylinder head temperature sensor
- Inspect and repair the wiring or connectors related to the sensor
- Replace the cylinder head temperature sensor if necessary
- Check the engine coolant level and ensure it is at the correct level
- Inspect and repair any underlying issues with the cooling system
Common causes
Most likely first
- Faulty cylinder head temperature sensor
- Loose or damaged wiring connected to the cylinder head temperature sensor
- Corroded or poor electrical connection at the cylinder head temperature sensor
- Engine coolant level too low
- Engine coolant temperature sensor malfunction
How to diagnose & fix
Work through it in order
- Engine running hot
- Rough idle or misfire
- Loss of power or acceleration
- Engine stalling or difficulty starting
- Increased fuel consumption
Read & clear P017C yourself
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