# Service bulletin CMI\-11112022\-B

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: 10227526
- Published by NHTSA: 2022\-12\-12
- Manufacturer's number: CMI\-11112022\-B
- Manufacturer's date: 2022\-11\-11
- NHTSA component: FUEL SYSTEM, OTHER

## NHTSA's summary

This CMI communication is being issed to address engines that may experience a low monitoring frequency for certain fuel systems an exhaust system diagnostics. This campaign will provide an updasted engine software calibration that may improve the performance of these diagnostics.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10227526-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10227526-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10227526](/v1/bulletins/10227526)

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