# Service bulletin CMI\-12072021\-A

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: 10206498
- Published by NHTSA: 2022\-01\-18
- Manufacturer's number: CMI\-12072021\-A
- Manufacturer's date: 2021\-12\-07
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

## NHTSA's summary

This is a representative Owner Letter to communicate an emissions recall. The engine\(s\) are potentially eligible for an Emissions improvement calibration campaign.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206498-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206498-9999.pdf)

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

## Components

Engine, Exhaust and emissions

## Vehicles listed

- CUMMINS ENGINE

JSON: [/v1/bulletins/10206498](/v1/bulletins/10206498)

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