# Service bulletin PIT6457

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: 11026062
- Published by NHTSA: 2025\-12\-03
- Manufacturer's number: PIT6457
- Manufacturer's date: 2025\-11\-25
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This preliminary information is for technicians that may see DTCs that are history and should not perform any part replacements. They should follow the notes mentioned prior to anything being replaced.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026062-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026062-9999.pdf)

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

## Vehicles listed

- 2023 to 2024 BRIGHTDROP 600 ELCV
- 2024 BRIGHTDROP ZEVO 400
- 2023 to 2024 BRIGHTDROP ZEVO 600
- 2023 to 2026 BUICK ENCLAVE
- 2023 to 2026 BUICK ENCORE
- 2023 to 2026 BUICK ENCORE GX
- 2023 to 2026 BUICK ENVISION
- 2024 to 2026 BUICK ENVISTA
- 2025 to 2026 CADILLAC CELESTIQ
- 2023 to 2026 CADILLAC CT4
- 2023 to 2026 CADILLAC CT5
- 2023 to 2026 CADILLAC ESCALADE
- 2023 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
- 2023 to 2026 CADILLAC LYRIQ
- 2025 to 2026 CADILLAC OPTIQ
- 2026 CADILLAC VISTIQ
- 2023 to 2025 CADILLAC XT4
- 2026 CADILLAC XT4
- 2023 to 2026 CADILLAC XT5
- 2023 to 2025 CADILLAC XT6
- 2026 CADILLAC XT6
- 2024 CHEVROLET 3500HD
- 2023 CHEVROLET 4500HD
- 2023 CHEVROLET 5500HD
- 2023 CHEVROLET 6500HD
- 2023 to 2026 CHEVROLET BLAZER
- 2024 to 2026 CHEVROLET BLAZER EV
- 2023 CHEVROLET BOLT EUV
- 2023 CHEVROLET BOLT EV
- 2024 CHEVROLET BOLT EV
- 2025 to 2026 CHEVROLET BRIGHTDROP 400
- 2025 to 2026 CHEVROLET BRIGHTDROP 600
- 2023 to 2024 CHEVROLET CAMARO
- 2023 to 2026 CHEVROLET COLORADO
- 2023 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 CHEVROLET CORVETTE E\-RAY
- 2023 to 2026 CHEVROLET EQUINOX
- 2024 to 2026 CHEVROLET EQUINOX EV
- 2023 to 2026 CHEVROLET EXPRESS
- 2023 to 2024 CHEVROLET EXPRESS 2500
- 2026 CHEVROLET EXPRESS 2500
- 2023 to 2024 CHEVROLET EXPRESS 3500
- 2026 CHEVROLET EXPRESS 3500
- 2026 CHEVROLET EXPRESS 4500
- 2023 to 2024 CHEVROLET EXPRESS CUTAWAY VAN
- 2026 CHEVROLET LOW CAB FORWARD 3500
- 2026 CHEVROLET LOW CAB FORWARD 5500
- 2026 CHEVROLET LOW CAB FORWARD 6500
- 2025 CHEVROLET LOW CAB FORWARD N SERIES
- 2023 to 2025 CHEVROLET MALIBU
- 2023 to 2026 CHEVROLET SILVERADO 1500
- 2023 to 2026 CHEVROLET SILVERADO 2500
- 2023 to 2026 CHEVROLET SILVERADO 3500
- 2023 to 2026 CHEVROLET SILVERADO 4500
- 2023 to 2026 CHEVROLET SILVERADO 5500
- 2023 to 2026 CHEVROLET SILVERADO 6500
- 2024 to 2026 CHEVROLET SILVERADO EV
- 2023 to 2024 CHEVROLET SUBURBAN
- 2023 to 2026 CHEVROLET SUBURBAN 1500
- 2023 to 2026 CHEVROLET TAHOE
- 2023 to 2026 CHEVROLET TRAILBLAZER
- 2023 to 2026 CHEVROLET TRAVERSE
- 2023 to 2026 CHEVROLET TRAX
- 2023 CRUISE AV1
- 2024 CRUISE ORIGIN
- 2024 GMC 3500HD
- 2023 to 2026 GMC ACADIA
- 2023 to 2026 GMC CANYON
- 2023 to 2026 GMC HUMMER EV PICKUP
- 2024 to 2026 GMC HUMMER EV SUV
- 2023 to 2026 GMC SAVANA
- 2023 GMC SAVANA 2500
- 2026 GMC SAVANA 2500
- 2023 GMC SAVANA 3500
- 2025 to 2026 GMC SAVANA 3500
- 2026 GMC SAVANA 4500
- 2023 to 2024 GMC SAVANA CUTAWAY VAN
- 2023 to 2026 GMC SIERRA 1500
- 2023 to 2026 GMC SIERRA 2500
- 2023 to 2026 GMC SIERRA 3500
- 2024 to 2026 GMC SIERRA EV
- 2023 to 2026 GMC TERRAIN
- 2023 to 2026 GMC YUKON
- 2023 to 2026 GMC YUKON XL
- 2023 GMC YUKON XL 1500

JSON: [/v1/bulletins/11026062](/v1/bulletins/11026062)

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