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Service bulletin EFN-E-09002

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10028858
Published by NHTSA2009-06-03
Manufacturer's numberEFN-E-09002
Manufacturer's date2009-01-09
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

CUMMINS: AN OXIDIZED LAYER CAN FORM ON THE CONNECTOR DUE TO FRETTING CORROSION. THIS CAN CAUSE FAULT CODE 295 TO BECOME ACTIVE, BECAUSE THE OXIDIZED LAYER CAUSES A HIGHER RESISTANCE THAT IS DETECTED BY THE ECM. MODEL AND MODEL YEARS UNKNOWN. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Wiring and fuses

Vehicles listed
CUMMINS CUMMINS

Listing a model year does not mean every vehicle of it is concerned: the document says which.