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SPN 110 / FMI 0

Engine Coolant Temperature — Above Normal (Most Severe)

Critical
SAE J1939 emissions SPN 110 FMI 0
What it means

Coolant overtemp — cooling system fault; risk of engine damage.

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Related codes
P0128

Coolant Temp Below Thermostat Regulating Temp

emissionsLow

General reference only — always confirm against the OEM procedure for your specific engine.