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Service bulletin TSB220229

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 id10231920
Published by NHTSA2023-02-21
Manufacturer's numberTSB220229
Manufacturer's date2023-01-10
NHTSA componentSTRUCTURE

NHTSA's summary

This Technical Service Bulletin was issued for "ENGINE SERIAL NUMBERS DUPLICATED Issue. Rocky Mount Engine Plant (RMEP) issued Engine Serial Numbers (ESNs) assigned to previously built engines. This has resulted in duplicate ESNs being issued. Verify that the ESN is within the affected ESN range of 75000001 to 75004314 and is a mid-range engine 9 liters or below and that the build year is 2022, by referencing the engine dataplate. The affected ESNs have been issued a new ESN.

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

Body and frame

Vehicles listed
CUMMINS B
CUMMINS B6.7
CUMMINS B6.7N
CUMMINS ISB
CUMMINS ISC
CUMMINS ISL
CUMMINS ISL9
CUMMINS L9

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