Service bulletin PIT6424B
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 | 11023158 |
| Published by NHTSA | 2025-09-17 |
| Manufacturer's number | PIT6424B |
| Manufacturer's date | 2025-09-10 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
A vehicle may come in with B3A6B set in history. Tech is directed to clear code and advise the customer an OTA will be released for the code.
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
B3A6B
| BRIGHTDROP 600 ELCV | 2024 |
|---|---|
| BRIGHTDROP ZEVO 400 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC CELESTIQ | 2025 |
| CADILLAC ESCALADE IQ | 2025, 2026 |
| CADILLAC LYRIQ | 2023, 2024, 2025, 2026 |
| CADILLAC OPTIQ | 2025 |
| CADILLAC VISTIQ | 2026 |
| CHEVROLET BLAZER EV | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BRIGHTDROP 400 | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BRIGHTDROP 600 | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EQUINOX EV | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO EV | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC HUMMER EV PICKUP | 2024, 2025, 2026 |
| GMC HUMMER EV SUV | 2025, 2026 |
| GMC SIERRA EV | 2024, 2025, 2026 (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.