# Service bulletin IK0600001

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: 11031189
- Published by NHTSA: 2026\-04\-08
- Manufacturer's number: IK0600001
- Manufacturer's date: 2026\-03\-30
- NHTSA component: POWER TRAIN

## NHTSA's summary

Some interaxle shafts \(the driveshaft connecting 2 drive axles\) utilize special phasing. This is by design to reduce torsional vibrations. See Dana/Spicer letter here \& Meritor here.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031189-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031189-9999.pdf)

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

## Components

Transmission and driveline

## Vehicles listed

- 2017 to 2022 INTERNATIONAL LT

JSON: [/v1/bulletins/11031189](/v1/bulletins/11031189)

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