Service bulletin SIL 639
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 | 10122049 |
| Published by NHTSA | 2017-11-08 |
| Manufacturer's number | SIL 639 |
| Manufacturer's date | 2017-09-29 |
| NHTSA component | EQUIPMENT:APPLIANCE:AIR CONDITIONER |
NHTSA's summary
This service information letter (SIL) required installation of a cab comfort HVAC control module for a more reliable performance of the system.
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, Heating and air conditioning
| ALTEC AA |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.