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Service bulletin EF-C10059

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 id10034144
Published by NHTSA2010-10-20
Manufacturer's numberEF-C10059
Manufacturer's date2010-05-25
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

CUMMINS: ENGINE RPM FLUCTUATION DURING ACTIVE REGENERATION ON EMERGENCY VEHICLES. A CONDITION IN WHICH ENGINE RPM CAN FLUCTUATE IS NOTED WHILE OPERATING THE ENGINE IN REMOTE THROTTLE CONTROL OR PTO GOVERNOR WITH THE ENGINE PERFORMING AN ACTIVE REGENERATION AT THE SAME TIME. NO MODELS OR MODEL YEARS LISTED. *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

Engine

Vehicles listed
CUMMINS ISC CM2150
CUMMINS ISL CM2150

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