Service bulletin PIT6541
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 | 11036690 |
| Published by NHTSA | 2026-09-02 |
| Manufacturer's number | PIT6541 |
| Manufacturer's date | 2026-08-27 |
| NHTSA component | UNKNOWN OR OTHER |
NHTSA's summary
This Preliminary information communicates to the technicians a diagnostic tip if a technician loses communication with the image processor #2 and how to restore communication
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.
| BRIGHTDROP 600 ELCV | 2024 |
|---|---|
| BRIGHTDROP ZEVO 400 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| BRIGHTDROP ZEVO 600 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| BUICK ENCLAVE | 2024, 2025, 2026, 2027 |
| BUICK ENCORE | 2024 to 2026 |
| BUICK ENCORE GX | 2024, 2025, 2026, 2027 |
| BUICK ENVISION | 2024, 2025, 2026 |
| BUICK ENVISTA | 2024, 2025, 2026 |
| CADILLAC CELESTIQ | 2024 |
| CADILLAC CELESTIQ | 2025, 2026 |
| CADILLAC CT4 | 2024, 2025, 2026 |
| CADILLAC CT5 | 2024, 2025, 2026 |
| CADILLAC ESCALADE | 2024, 2025, 2026 |
| CADILLAC ESCALADE ESV | 2024, 2025, 2026 |
| CADILLAC ESCALADE ESV IQ | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE ESV IQL | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE IQ | 2025, 2026, 2027 |
| CADILLAC ESCALADE IQL | 2026, 2027 |
| CADILLAC LYRIQ | 2024, 2025, 2026, 2027 |
| CADILLAC OPTIQ | 2025, 2026, 2027 |
| CADILLAC VISTIQ | 2026, 2027 |
| CADILLAC XT4 | 2024, 2025 |
| CADILLAC XT4 | 2026 |
| CADILLAC XT5 | 2024, 2025, 2026 |
| CADILLAC XT6 | 2024, 2025 |
| CADILLAC XT6 | 2026 |
| CHEVROLET 3500HD | 2024 |
| CHEVROLET BLAZER | 2024, 2025, 2026 |
| CHEVROLET BLAZER EV | 2024, 2025, 2026, 2027 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BOLT EV | 2024 |
| CHEVROLET BOLT EV | 2027 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BRIGHTDROP 400 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BRIGHTDROP 600 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CAMARO | 2024 |
| CHEVROLET COLORADO | 2024, 2025, 2026 |
| CHEVROLET CORVETTE | 2024, 2025 |
| CHEVROLET CORVETTE CONVERTIBLE | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE CONVERTIBLE E-RAY | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE COUPE | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE COUPE E-RAY | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE E-RAY | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE GRAND SPORT CONVERTIBLE | 2027 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE GRAND SPORT COUPE | 2027 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE GRAND SPORT X CONVERTIBLE HYBRID | 2027 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE GRAND SPORT X COUPE HYBRID | 2027 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EQUINOX | 2024, 2025, 2026, 2027 |
| CHEVROLET EQUINOX EV | 2024, 2025, 2026, 2027 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS | 2024, 2025, 2026 |
| CHEVROLET EXPRESS 2500 | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 2500 | 2026 (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 3500 | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 4500 | 2026 (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 LOW CAB FORWARD 3500 | 2024 to 2026 |
| CHEVROLET LOW CAB FORWARD 4500 | 2024 to 2026 |
| CHEVROLET LOW CAB FORWARD 5500 | 2024 to 2026 |
| CHEVROLET LOW CAB FORWARD 6500 | 2024 to 2026 |
| CHEVROLET LOW CAB FORWARD 7500 | 2024 to 2026 |
| CHEVROLET LOW CAB FORWARD N SERIES | 2025 |
| CHEVROLET MALIBU | 2024, 2025 |
| CHEVROLET SILVERADO 1500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 4500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 5500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 6500 | 2024, 2025, 2026 (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) |
| CHEVROLET SUBURBAN | 2024 |
| CHEVROLET SUBURBAN 1500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2024, 2025, 2026 |
| CHEVROLET TRAILBLAZER | 2024, 2025, 2026, 2027 |
| CHEVROLET TRAVERSE | 2024, 2025, 2026, 2027 |
| CHEVROLET TRAX | 2024, 2025, 2026 |
| CRUISE ORIGIN | 2024 |
| GMC 3500HD | 2024 |
| GMC ACADIA | 2024, 2025, 2026, 2027 |
| GMC CANYON | 2024, 2025, 2026 |
| GMC HUMMER EV PICKUP | 2024, 2025, 2026 |
| GMC HUMMER EV SUV | 2024, 2025, 2026 |
| GMC SAVANA | 2024, 2025, 2026 |
| GMC SAVANA 2500 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA 3500 | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA 4500 | 2026 (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, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA EV | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| GMC TERRAIN | 2024, 2025, 2026, 2027 |
| GMC YUKON | 2024, 2025, 2026 |
| GMC YUKON XL | 2024, 2025, 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.