00-0AU
UnclassifiedCooling
What This Code Means
Continuous sleeper heat; Coolant loss (external); Coolant temperature above normal; Coolant temperature below normal
Possible Causes
- •Faulty coolant solenoid valves
- •Faulty temperature control module
- •Low coolant level
- •Cracked or leaking hoses
- •Loose hose clamps
- •Radiator leaks
- •Coolant in oil
- •Faulty high engine temp switch
- •Incorrect winter door position
- •Worn or damaged fan belt
- •Incorrect fan belt tension
- •Faulty fan condition
- •Plugged radiator
- •Incorrect engine coolant level
Suggested Actions
- 1Troubleshoot coolant solenoid valves
- 2Troubleshoot temperature control module
- 3Check coolant level
- 4Check for cracked or leaking hoses
- 5Check for loose hose clamps
- 6Check radiator for leaks
- 7Check for coolant in oil
- 8Pressure test coolant system
- 9Run generator set and check for leaks
- 10Check high engine temp switch
- 11Check winter door position
- 12Check fan belt condition
- 13Check fan belt tension
- 14Check fan condition
- 15Check radiator for plugging
- 16Check engine coolant level
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