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HomeHeavy truckSPN 111
SPN 111Heavy truck
Moderate

SPN 111 — Engine Coolant Level

J1939 fault for the engine coolant level parameter.

Documented FMIs for SPN 111

FMIMeaningDiagnostic
1SPN 111 FMI 1 — Low levelView SPN 111 FMI 1
3SPN 111 FMI 3 — Voltage above normal / shorted highView SPN 111 FMI 3

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Often associated codes

  • SPN 111 FMI 1SPN 111 FMI 1 — Low level
  • SPN 111 FMI 3SPN 111 FMI 3 — Voltage above normal / shorted high

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