00 - 015
UnclassifiedCooling
What This Code Means
Coolant temperature below normal; Engine starts but will not keep running; Engine will not crank or cranks slowly
Possible Causes
- •Thermostat malfunction
- •Active shut down indicators
- •Incorrect fuel level
- •Incorrect oil level
- •Incorrect battery voltage
- •Faulty fuel pump
- •Faulty oil pressure switch
- •Incorrect stop solenoid adjustment
- •Faulty high engine temperature switch
- •Faulty speed sensor
- •Faulty start stop switch
- •Faulty control board
- •Poor battery condition
- •Loose or dirty battery connections
- •Incorrect battery cable size
- •Blown F1 fuse
- •Faulty starter
- •Faulty remote connections
- •Faulty start relay
Suggested Actions
- 1Check thermostat
- 2Check shut down indicators
- 3Check fuel level
- 4Check oil level
- 5Check battery voltage
- 6Inspect fuel pump
- 7Inspect oil pressure switch
- 8Inspect stop solenoid adjustment
- 9Inspect high engine temperature switch
- 10Inspect speed sensor
- 11Inspect start stop switch
- 12Inspect control board
- 13Check battery condition
- 14Check for loose or dirty battery connections
- 15Check battery cable size
- 16Check F1 fuse
- 17Inspect starter
- 18Inspect remote connections
- 19Inspect start relay
Related Onan Fault Codes
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