Service bulletin PIP6049A
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 | 11016154 |
| Published by NHTSA | 2025-04-01 |
| Manufacturer's number | PIP6049A |
| Manufacturer's date | 2025-03-24 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information communicates a diagnostic aid to install dye to the trans fluid to isolate the leak prior to attempting repair.
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.
| CHEVROLET 3500HD | 2024 |
|---|---|
| CHEVROLET COLORADO | 2024, 2025 |
| CHEVROLET EXPRESS | 2024 |
| CHEVROLET EXPRESS 2500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 3500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS CUTAWAY VAN | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 1500 | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC 3500HD | 2024 |
| GMC CANYON | 2024, 2025 |
| GMC SAVANA | 2024, 2025 |
| GMC SAVANA 3500 | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA CUTAWAY VAN | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 1500 | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.