Check Coolant Temp Sensor

Failure in the sensor that monitors the diesel engine coolant temperature.

Possible causes

Defective engine temperature sensor
Low coolant level
Stuck engine thermostat

Recommended actions

Check antifreeze level in the radiator
Check the coolant sensor and its connector
Verify engine is not experiencing actual overheating

Can't find your code? Talk to an expert

$150

One-on-one phone session with a Low Temp refrigeration tech. Emergency temporary assistance only.

Email (opcional)

Teléfono (opcional)

¿Tienes un cupón?

I understand this is emergency temporary remote guidance only, no repair is guaranteed, I assume all risks, and Low Temp Service is not liable for cargo, engine, electrical, mechanical or accident damages. I accept the Terms & Conditions.

Have a question? Ask the community

Thousands of refrigeration mechanics read and answer for free. Post your case in under 1 minute.

Other Thermo King codes

00No Alarms Exist 02Check Evaporator Coil Sensor (Zone)03Check (Control) Return Air Sensor (Zone)04Check (Control) Discharge Air Sensor (Zone)05Check Ambient Temp Sensor 07Check Engine RPM Sensor

View all Thermo King codes

Need a professional diagnosis?

Low Temp Service — refrigeration experts in Florida.