Service bulletin TT7399EN
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 | 10155486 |
| Published by NHTSA | 2019-04-01 |
| Manufacturer's number | TT7399EN |
| Manufacturer's date | 2013-10-02 |
| NHTSA component | POWER TRAIN; EQUIPMENT |
NHTSA's summary
Tech Tip concerning Transmission Control Module (TCM) Recalibration for Kenworth
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Equipment and accessories, Transmission and driveline
| ALLISON 4000 SERIES TRANSMISSION | |
|---|---|
| KENWORTH C500 | 2013 |
| KENWORTH T800 | 2013 |
| KENWORTH W900 | 2013 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.