Service bulletin PIT5989C
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 | 11017267 |
| Published by NHTSA | 2025-04-28 |
| Manufacturer's number | PIT5989C |
| Manufacturer's date | 2025-04-16 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information communicates a issue where the Can bus 1 data line is being corrupted by a aftermarket lighting module or poor connection installed by a Police Upfitter.
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 TAHOE | 2021, 2022, 2023, 2024, 2025 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.