# Service bulletin PIT6503

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: 11031514
- Published by NHTSA: 2026\-04\-23
- Manufacturer's number: PIT6503
- Manufacturer's date: 2026\-04\-14
- 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-11031514-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031514-9999.pdf)

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

## Vehicles listed

- 2024 BRIGHTDROP 600 ELCV
- 2024 BRIGHTDROP ZEVO 400
- 2024 BRIGHTDROP ZEVO 600
- 2024 to 2026 BUICK ENCLAVE
- 2024 to 2026 BUICK ENCORE
- 2024 to 2026 BUICK ENCORE GX
- 2024 to 2026 BUICK ENVISION
- 2024 to 2026 BUICK ENVISTA
- 2025 to 2026 CADILLAC CELESTIQ
- 2024 to 2026 CADILLAC CT4
- 2024 to 2026 CADILLAC CT5
- 2024 to 2026 CADILLAC ESCALADE
- 2024 to 2026 CADILLAC ESCALADE ESV
- 2026 CADILLAC ESCALADE ESV IQ
- 2026 CADILLAC ESCALADE ESV IQL
- 2025 to 2026 CADILLAC ESCALADE IQ
- 2026 CADILLAC ESCALADE IQL
- 2024 to 2026 CADILLAC LYRIQ
- 2025 to 2026 CADILLAC OPTIQ
- 2026 CADILLAC VISTIQ
- 2024 to 2025 CADILLAC XT4
- 2026 CADILLAC XT4
- 2024 to 2026 CADILLAC XT5
- 2024 to 2025 CADILLAC XT6
- 2026 CADILLAC XT6
- 2024 CHEVROLET 3500HD
- 2024 to 2026 CHEVROLET BLAZER
- 2024 to 2026 CHEVROLET BLAZER EV
- 2024 CHEVROLET BOLT EV
- 2025 to 2026 CHEVROLET BRIGHTDROP 400
- 2025 to 2026 CHEVROLET BRIGHTDROP 600
- 2024 CHEVROLET CAMARO
- 2024 to 2026 CHEVROLET COLORADO
- 2024 to 2025 CHEVROLET CORVETTE
- 2026 CHEVROLET CORVETTE CONVERTIBLE
- 2026 CHEVROLET CORVETTE CONVERTIBLE E\-RAY
- 2026 CHEVROLET CORVETTE COUPE
- 2026 CHEVROLET CORVETTE COUPE E\-RAY
- 2024 to 2025 CHEVROLET CORVETTE E\-RAY
- 2024 to 2026 CHEVROLET EQUINOX
- 2024 to 2026 CHEVROLET EQUINOX EV
- 2024 to 2026 CHEVROLET EXPRESS
- 2024 CHEVROLET EXPRESS 2500
- 2026 CHEVROLET EXPRESS 2500
- 2024 CHEVROLET EXPRESS 3500
- 2026 CHEVROLET EXPRESS 3500
- 2026 CHEVROLET EXPRESS 4500
- 2024 CHEVROLET EXPRESS CUTAWAY VAN
- 2024 to 2026 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
- 2025 CHEVROLET LOW CAB FORWARD N SERIES
- 2024 to 2025 CHEVROLET MALIBU
- 2024 to 2026 CHEVROLET SILVERADO 1500
- 2024 to 2026 CHEVROLET SILVERADO 2500
- 2024 to 2026 CHEVROLET SILVERADO 3500
- 2024 to 2026 CHEVROLET SILVERADO 4500
- 2024 to 2026 CHEVROLET SILVERADO 5500
- 2024 to 2026 CHEVROLET SILVERADO 6500
- 2024 to 2026 CHEVROLET SILVERADO EV
- 2024 CHEVROLET SUBURBAN
- 2024 to 2026 CHEVROLET SUBURBAN 1500
- 2024 to 2026 CHEVROLET TAHOE
- 2024 to 2026 CHEVROLET TRAILBLAZER
- 2024 to 2026 CHEVROLET TRAVERSE
- 2024 to 2026 CHEVROLET TRAX
- 2024 CRUISE ORIGIN
- 2024 GMC 3500HD
- 2024 to 2026 GMC ACADIA
- 2024 to 2026 GMC CANYON
- 2024 to 2026 GMC HUMMER EV PICKUP
- 2024 to 2026 GMC HUMMER EV SUV
- 2024 to 2026 GMC SAVANA
- 2026 GMC SAVANA 2500
- 2025 to 2026 GMC SAVANA 3500
- 2026 GMC SAVANA 4500
- 2024 GMC SAVANA CUTAWAY VAN
- 2024 to 2026 GMC SIERRA 1500
- 2024 to 2026 GMC SIERRA 2500
- 2024 to 2026 GMC SIERRA 3500
- 2024 to 2026 GMC SIERRA EV
- 2024 to 2026 GMC TERRAIN
- 2024 to 2026 GMC YUKON
- 2024 to 2026 GMC YUKON XL

JSON: [/v1/bulletins/11031514](/v1/bulletins/11031514)

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