# Service bulletin E240

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: 10168654
- Published by NHTSA: 2019\-12\-04
- Manufacturer's number: E240
- Manufacturer's date: 2019\-11\-27
- NHTSA component: VEHICLE SPEED CONTROL

## NHTSA's summary

Fix As Fail\-Shudder sensation near the governed vehicle speed when using cruise control due to excessive control messaging from VECU. A VECU software update is available to correct the condition.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168654-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168654-9999.pdf)

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

## Components

Throttle and cruise control

## Vehicles listed

- 2019 to 2020 KENWORTH T680
- 2019 to 2020 KENWORTH T880
- 2019 to 2020 KENWORTH W990

## Other bulletins for the same vehicles and component

- [36\-005](/bulletins/10171021.md), 2020-02-05, Service bulletin: VEHICLE SPEED CONTROL; SERVICE BRAKES. Information Only \- Driver Performance Assistance \(DPA\) Coasting and Braking Scores Not Incrementing, Stays at 50%. The average score will never change nor create driver assistance popups based upon driver’s actions. A future software update will resolve the issue. This bulletin will be updated when the software update becomes available.

JSON: [/v1/bulletins/10168654](/v1/bulletins/10168654)

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