# 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.

- Type: Service bulletin
- NHTSA id: 11036219
- Published by NHTSA: 2026\-08\-17
- Manufacturer's number: PIT6503C
- Manufacturer's date: 2026\-08\-12
- NHTSA component: UNKNOWN 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036219-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036219-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2024 BRIGHTDROP ZEVO 400
- 2024 BRIGHTDROP ZEVO 600
- 2025 to 2026 BUICK ENCLAVE
- 2024 to 2026 BUICK ENVISION
- 2025 to 2026 CADILLAC CT5
- 2024 to 2025 CADILLAC LYRIQ
- 2024 to 2025 CADILLAC XT4
- 2024 to 2026 CHEVROLET BLAZER EV
- 2025 to 2026 CHEVROLET BRIGHTDROP 400
- 2025 to 2026 CHEVROLET BRIGHTDROP 600
- 2026 CHEVROLET CORVETTE CONVERTIBLE
- 2026 CHEVROLET CORVETTE CONVERTIBLE E\-RAY
- 2026 CHEVROLET CORVETTE COUPE
- 2026 CHEVROLET CORVETTE COUPE E\-RAY
- 2024 to 2026 CHEVROLET EQUINOX EV
- 2024 to 2026 CHEVROLET SILVERADO EV
- 2025 to 2026 CHEVROLET SUBURBAN 1500
- 2025 to 2026 CHEVROLET TAHOE
- 2024 to 2026 CHEVROLET TRAVERSE
- 2024 to 2026 GMC ACADIA
- 2025 to 2026 GMC SIERRA EV
- 2025 to 2026 GMC TERRAIN
- 2025 to 2026 GMC YUKON
- 2025 to 2026 GMC YUKON XL

JSON: [/v1/bulletins/11036219](/v1/bulletins/11036219)

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