Detroit DD16 GHG14 (2014-16) Fault Code: SPN 110 FMI 16 (CPC) Coolant Temperature High
NOTE: Please see the step by step troubleshooting procedures for this specific code.
NOTE: If codes 110-3 or 110-4 also active, fix those first.
NOTE: With a code engine, coolant inlet and coolant outlet temperature should be within 25 degree’s of each other. If not, replace both sensors.
Otherwise, most PROBABLE CAUSES:
1. Low coolant.
2. Thermostat failure.
3. Blockage in radiator and/or charge air cooler.
4. Fan belt failure.
5. Fan shroud failure or installed improperly.
6. Radiator hose failure (collapsed hoses).
7. Engine fan failure.
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