Check Engine Coolant Temp

Engine coolant temperature is unusually high or the sensor is failing.

Possible causes

Dirty or clogged radiator
Stuck thermostat (closed)
Loose or broken fan belt
Defective temperature sensor

Recommended actions

Clean radiator coil with air/water
Check water pump belt tension
Compare actual temperature with infrared sensor
Check coolant level

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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 06Check Coolant Temp Sensor

View all Thermo King codes

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