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Service bulletin PIT6503C

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11036219
Published by NHTSA2026-08-17
Manufacturer's numberPIT6503C
Manufacturer's date2026-08-12
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.

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.

Vehicles listed
BRIGHTDROP ZEVO 4002024 (the catalog's model; the bulletin names a series or trim of it)
BRIGHTDROP ZEVO 6002024 (the catalog's model; the bulletin names a series or trim of it)
BUICK ENCLAVE2025, 2026
BUICK ENVISION2024, 2025, 2026
CADILLAC CT52025, 2026
CADILLAC LYRIQ2024, 2025
CADILLAC XT42024, 2025
CHEVROLET BLAZER EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 4002025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 6002025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE CONVERTIBLE2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE CONVERTIBLE E-RAY2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE COUPE2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE COUPE E-RAY2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EQUINOX EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2025, 2026
CHEVROLET TRAVERSE2024, 2025, 2026
GMC ACADIA2024, 2025, 2026
GMC SIERRA EV2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2025, 2026
GMC YUKON2025, 2026
GMC YUKON XL2025, 2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.