# Service bulletin C1983

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: 10129846
- Published by NHTSA: 2018\-03\-12
- Manufacturer's number: C1983
- Manufacturer's date: 2018\-02\-09
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

This Campaign authorizes certified repair locations to re\-calibrate the ECM on certain L9 CM2350 MY2017 engines.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129846-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10129846-0001.pdf)

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

## Components

Electrical system, Software

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10129846](/v1/bulletins/10129846)

[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%20C1983&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10129846&vehicle=Service%20bulletin%20C1983)