Service bulletin C1437B
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 | 10084604 |
| Published by NHTSA | 2016-11-22 |
| Manufacturer's number | C1437B |
| Manufacturer's date | 2014-05-02 |
| NHTSA component | ELECTRICAL SYSTEM; ENGINE |
NHTSA's summary
THIS CAMPAIGN WAS ISSUES TO IMPROVE ENGINE AND AFTERTREATMENT RELIABILITY. IT PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO RECALIBRATE THE ENGINE WITH IMPROVED SOFTWARE.
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Electrical system, Engine
| CUMMINS ISX11.9 | |
|---|---|
| CUMMINS ISX12 | |
| CUMMINS ISX15 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.