# Service bulletin KC\-2128

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: 10198730
- Published by NHTSA: 2021\-07\-02
- Manufacturer's number: KC\-2128
- Manufacturer's date: 2021\-06\-29
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Engine Control Module \(EMS\) Software Information \- Improvement List \(Change Log\), June 2021 – US21\+OBD2021 Emissions ONLY

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198730-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10198730-9999.pdf)

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

## Components

Engine

## Vehicles listed

- MACK MACK

JSON: [/v1/bulletins/10198730](/v1/bulletins/10198730)

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