Service bulletin SC-21-124
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 | 11013416 |
| Published by NHTSA | 2025-02-03 |
| Manufacturer's number | SC-21-124 |
| Manufacturer's date | 2021-10-25 |
| Campaign id or software version | SC-21-124 |
| NHTSA component | SUSPENSION |
NHTSA's summary
Transit bus repair to the Hadley ride height adding a check valve to the exhaust side of the the interlock valve.
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
Suspension
| PROTERRA CATALYST | 2019 to 2020 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.