If you have a Chevy Cruze that is is overheating, but the engine is not overly hot, the coolant temperature sensor may be bad.
One way to test the sensor is to let the engine cool down and then start it up.
A common message when the Chevy Cruze is overheating is the “AC Off Due to High Heat Engine Temp” message.
Keep in mind all other cooling system components should also be checked for failures, such as the water pump, cooling fan, thermostat, and radiator.
Common Coolant Temperature Sensor Error Codes
- P00B7 Engine Coolant Flow Low/Performance
- P00B6 – Radiator Coolant Temperature – ECT Not Plausible
- P0116 – ECT Sensor Performance
- P0117 – ECT Sensor Low Voltage
- P0118 ECT Sensor high voltage
- P0119 – ECT Sensor Circuit Intermittent
Symptoms of a Bad Chevy Cruze Coolant Sensor
- Cooling Fans Constantly Running at High Speeds
- Temperature Gauge Shows Hot When Engine is Cool
- Temperature Gauge Not Working
Chevy Cruze Coolant Temperature Sensor Location
Example Chevy Cruze Coolant Temperature Sensor on Amazon
TAMKKEN Temperature Sensor Coolant 55591401 213-4688 for Chevy Cruze Sonic Trax Volt Cadillac ELR Buick Encore
How to Replace the Chevy Cruze Coolant Temperature Sensor
- Locate the sensor and unplug it.
- A small clip is usually holding it in place that will pull up with a screwdriver.
- Twist and pull the sensor out.
- Plugin the new sensor
- Insert the new sensor and insert it into place with the clip.
- Add coolant if needed and test the car.
If you have a Chevrolet Cruze that shows it is overheating, but the engine is cool, the temperature sensor has likely gone bad.
A bad wire can also cause the same issues, so be sure to example the wiring harness.
The sensor is a low-cost item and is frequently replaced by DIY mechanics.
Some mechanics will drain the fluid, but since the sensor is at the top of the engine, minimal fluid will come out if it is not drained.
It is a bit difficult to get to the sensor since a wire harness and other components are directly in the way, but it is a straightforward job.
There is also a radiator temperature sensor located at the bottom of the radiator on the passenger side.
Have you had issues with the coolant temperature sensor on a Chevy Cruze? Let us know your thoughts below.