# Service bulletin KC\-646

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: 10213626
- Published by NHTSA: 2022\-06\-07
- Manufacturer's number: KC\-646
- Manufacturer's date: 2022\-05\-17
- NHTSA component: POWER TRAIN

## NHTSA's summary

Mack Chassis \- Equipped With An Automated Manual Transmission \(AMT\-D, mDrive\) \- Unable To Program Transmission Electronic Control Unit \(TECU\) That Comes With A Reman Transmission; Information For Programming TECUs For Different Emissions Levels \- FSB

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213626-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10213626-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- MACK CHU
- 2006 to 2018 MACK CHU
- 2008 MACK CHU612
- 2008 MACK CHU613
- 2010 MACK CHU613
- 2010 MACK CHU614
- MACK CXU
- 2006 to 2018 MACK CXU
- 2008 MACK CXU612
- 2010 to 2011 MACK CXU612
- 2008 MACK CXU613
- 2010 MACK CXU613
- 2010 MACK CXU613E
- 2010 MACK CXU614

JSON: [/v1/bulletins/10213626](/v1/bulletins/10213626)

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