# 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.

- Type: Service bulletin
- NHTSA id: 10231920
- Published by NHTSA: 2023\-02\-21
- Manufacturer's number: TSB220229
- Manufacturer's date: 2023\-01\-10
- NHTSA component: STRUCTURE

## 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231920-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231920-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame

## Vehicles listed

- CUMMINS B
- CUMMINS B6.7
- CUMMINS B6.7N
- CUMMINS ISB
- CUMMINS ISC
- CUMMINS ISL
- CUMMINS ISL9
- CUMMINS L9

JSON: [/v1/bulletins/10231920](/v1/bulletins/10231920)

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