# Service bulletin TT7484EN Rev A

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: 10156686
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: TT7484EN Rev A
- Manufacturer's date: 2015\-02\-09
- NHTSA component: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:WIRING; POWER TRAIN

## NHTSA's summary

Tech Tip concerning Pushbutton Shift Selector on Kenworth and Peterbilt Trucks will skip the oil level check and proceed to Prognostics

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10156686-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10156686-9999.pdf)

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

## Components

Electrical system, Equipment and accessories, Labels and manuals, Transmission and driveline, Wiring and fuses

## Vehicles listed

- ALLISON 3000 SERIES TRANSMISSION
- ALLISON 4000 SERIES TRANSMISSION

JSON: [/v1/bulletins/10156686](/v1/bulletins/10156686)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20TT7484EN%20Rev%20A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10156686&vehicle=Service%20bulletin%20TT7484EN%20Rev%20A)