# Service bulletin C2142

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: 10185698
- Published by NHTSA: 2021\-01\-25
- Manufacturer's number: C2142
- Manufacturer's date: 2020\-12\-16
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

This Field Action authorizes certified repair locations to update the engine calibration on certain L9 CM2450 L126B engines to address potential Exhaust Gas Recirculation fouling.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185698-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10185698-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10185698](/v1/bulletins/10185698)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20C2142&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10185698&vehicle=Service%20bulletin%20C2142)