Service bulletin 16-NA-274
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 | 10190254 |
| Published by NHTSA | 2021-04-14 |
| Manufacturer's number | 16-NA-274 |
| Manufacturer's date | 2016-10-01 |
| NHTSA component | ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE |
NHTSA's summary
Fleet Action Center (FAC) Labor Operation Restrictions and Repair Restrictions for US Medium Duty Dealers Important Instructions Involving the Fleet Action Center (FAC): On 2016 and newer Chevrolet 3500, 4500 or 5500 Low Cab Forward Medium Duty Trucks, if you are working on any items listed in the Restricted Repairs section below, then you MUST contact your Service Operations Manager (SOM) representative at FAC for authorization at (800) 353-3867, prompt #4 prior to ordering any parts/performing warranty repairs.
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
Electrical system, Engine, Transmission and driveline, Automatic transmission
| CHEVROLET LOW CAB FORWARD 3500 | 2016 to 2018 |
|---|---|
| CHEVROLET LOW CAB FORWARD 4500 | 2016 to 2017 |
| CHEVROLET LOW CAB FORWARD 5500 | 2016 to 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.