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Service bulletin RIONL21V3999140

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 id10199649
Published by NHTSA2021-08-02
Manufacturer's numberRIONL21V3999140
Manufacturer's date2021-06-18
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Interim owner notification letters sent by Cummins

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
CUMMINS CUMMINS
CUMMINS ISX12
CUMMINS L9
TEMSA TS452017, 2018, 2019

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

Recalls for the same vehicles and component
17V7770002017-12-04. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE
17V4700002017-07-24. ENGINE; TIRES

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TS45-FM-23032023-10-31. Service bulletin. SERVICE BULLETIN FOR TORQUE CONTROL
TS45-FC-23032023-04-28. Service bulletin. Improvement on TS45 WC Water Filling Connector Connection
TS-M1242017-10-05. Service bulletin. Service bulletin for T-bolt clamp replacement
TS-S1192017-08-31. Service bulletin. Safety Recall Service Bulletin for TS45 Tag Axle RAS system hydraulic hose replacement