Detroit DD15 GHG14 (2014-16) Fault Code: SPN 111 FMI 19 (MCM) Coolant Level Low

DESCRIPTION:
Coolant level below normal range.

MONITORED PARAMETER:
Coolant level

TYPICAL ENABLING CONDITIONS:
Always on

MONITOR SEQUENCE:
None

EXECUTION FREQUENCY:
Continuous when enabling conditions met.

TYPICAL DURATION:
2 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.