# Service bulletin C1904D

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: 10141327
- Published by NHTSA: 2018\-06\-18
- Manufacturer's number: C1904D
- Manufacturer's date: 2018\-05\-11
- NHTSA component: ENGINE; ELECTRICAL SYSTEM

## NHTSA's summary

This In\-Shop Campaign authorizes certified repair locations to re\-calibrate the ECM on certain 2017 L9 CM2350 engines, any time the unit is in for maintenance or repairs, with certain restrictions on reimbursements. This is a revision to a previously submitted communication.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141327-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10141327-0001.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10141327](/v1/bulletins/10141327)

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