Caterpillar Fault Code

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E361

Engine Over-Speed Warning / Safety Trip

System

Engine

Symptom

Engine Over-Speed Warning / Safety Trip

Diagnosis & fix steps

LOGIC: Engine Over-speed Trip. ACTION: Scan memory history to identify peak RPM reached. Check for crankcase oil ingestion through the breathing system, or sticking fuel rack/injectors.

Red Seal field insights

Physics: The physical mechanical speed exceeded the software design safety barrier. The ECM permanently logs this code to protect against catastrophic cylinder block failures.

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