Cummins 151 Engine Coolant Temperature - Data Valid But Above Normal Operating Range - Most Severe Level
What this code means
Cummins fault code 151 (SPN 110 / FMI 0) refers to: Engine Coolant Temperature - Data Valid But Above Normal Operating Range - Most Severe Level. It is logged by the engine control module (ECM) on Cummins-powered vehicles and read over the J1939 diagnostic network.
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Cummins fault code 151 (SPN 110 / FMI 0) indicates engine coolant temperature - data valid but above normal operating range - most severe level.
Cummins 151 is generally treated as an urgent, high-severity fault. Have the engine and its wiring inspected, and confirm the reading with a J1939 diagnostic scan before clearing the code.
