Low Engine Coolant Temp

Engine coolant temperature is too low for normal operation.

Possible causes

Thermostat stuck open
Defective temperature sensor
Extremely cold weather conditions

Recommended actions

Verify thermostat operation
Check coolant temperature sensor
Check block heater system if applicable

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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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