Check Engine Coolant Level

The level sensor detects that the engine coolant is below the safe limit.

Possible causes

Leaking hoses or radiator
Defective level sensor
Lack of preventive maintenance
Damaged water pump

Recommended actions

Refill coolant to the proper level
Perform pressure test on the cooling system
Check wiring and level sensor
Inspect engine for visual leaks

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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

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