Service bulletin PIT6503D

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Aug 27, 2026
Manufacturer: BUICK
NHTSA ID: 11036400
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: BRIGHTDROP ZEVO 400 2024; BRIGHTDROP ZEVO 600 2024; BUICK ENCLAVE 2025-2026; BUICK ENVISION 2024-2026; CADILLAC CT5 2025-2026; CADILLAC LYRIQ 2024-2025; CADILLAC XT4 2024-2025; CHEVROLET BLAZER EV 2024-2026; CHEVROLET BRIGHTDROP 400 2025-2026; CHEVROLET BRIGHTDROP 600 2025-2026; CHEVROLET CORVETTE CONVERTIBLE 2026; CHEVROLET CORVETTE COUPE 2026; CHEVROLET EQUINOX 2025-2026; CHEVROLET EQUINOX EV 2024-2026; and 9 more models
Component, as stated by NHTSA: UNKNOWN OR OTHER

Text of the manufacturer communication

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.

Manufacturer document number: PIT6503D
Date of the communication: 2026-08-21

View original source on NHTSA.gov

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Aug 27, 2026.

For the 2022 Chevrolet Silverado 1500

LT Trail Boss Crew Cab

Ignored

Relevance of 4% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 4%
Attention: 9%
Interrupt probability: 10%

Importance to this owner: 0.1 of 4, none
Vehicle area the notice is about: None

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 183 ms from 2,042 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

YesNHTSA names this make

NoNHTSA names this model

n/aNHTSA lists model year 2022 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
4%	9%	10%	Ignored
2%	6%	7%	Ignored
2%	5%	7%	Ignored
2%	6%	7%	Ignored
2%	5%	7%	Ignored
2%	5%	6%	Ignored
2%	5%	7%	Ignored
2%	5%	6%	Ignored
2%	6%	7%	Ignored
2%	6%	7%	Ignored
2%	4%	6%	Ignored
1%	4%	6%	Ignored
1%	5%	6%	Ignored
1%	4%	6%	Ignored
1%	5%	6%	Ignored
1%	5%	7%	Ignored

Select a vehicle to see its attention and interrupt figures above.