Detroit DD15 GHG14 (2014-16) Fault Code: SPN 111 FMI 4 (CPC) Coolant Level Circuit Failed Low
DESCRIPTION:
This fault sets when the common powertrain controller (CPC) detects that there is a short to ground on the coolant level circuit or the engine coolant level is low.
MONITORED PARAMETER:
Coolant level
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Cycle key
NOTE: If any other active fault codes, fix those first.
PROBABLE CAUSES:
1. Low coolant.
2. Coolant level sensor connector/harness.
3. Coolant level sensor.
4. Cooling system leaks.
5. Radiator cap failure.
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