Service bulletin PIT6398
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 | 11019827 |
| Published by NHTSA | 2025-06-29 |
| Manufacturer's number | PIT6398 |
| Manufacturer's date | 2025-06-12 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This PI involves DTC U3000 SYM49 Set falsely In The Serial Data Gateway Module and dealerships are to reset the module by cycling the battery.
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.
Trouble codes named
U3000
| CADILLAC CT4 | 2021, 2022, 2023 |
|---|---|
| CADILLAC CT5 | 2021, 2022, 2023 |
| CADILLAC ESCALADE | 2021, 2022, 2023 |
| CADILLAC ESCALADE ESV | 2021, 2022, 2023 |
| CHEVROLET CORVETTE | 2021, 2022 |
| 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) |
| CHEVROLET SUBURBAN 1500 | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2021, 2022, 2023 |
| 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) |
| GMC YUKON | 2021, 2022, 2023 |
| GMC YUKON XL | 2021, 2022, 2023 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.