# Service bulletin PIT6215B

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: 11018430
- Published by NHTSA: 2025\-05\-19
- Manufacturer's number: PIT6215B
- Manufacturer's date: 2025\-05\-06
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018430-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018430-9999.pdf)

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

## Vehicles listed

- 2024 BRIGHTDROP ZEVO 400
- 2023 to 2024 BRIGHTDROP ZEVO 600
- 2025 CADILLAC ESCALADE
- 2025 CADILLAC ESCALADE IQ
- 2023 to 2025 CADILLAC LYRIQ
- 2025 CADILLAC OPTIQ
- 2026 CADILLAC VISTIQ
- 2024 CADILLAC XT4
- 2024 CHEVROLET BLAZER EV
- 2023 CHEVROLET COLORADO
- 2026 CHEVROLET EQUINOX
- 2024 to 2025 CHEVROLET EQUINOX EV
- 2024 to 2025 CHEVROLET SILVERADO EV
- 2025 CHEVROLET SUBURBAN 1500
- 2025 CHEVROLET TAHOE
- 2023 GMC CANYON
- 2023 to 2025 GMC HUMMER EV PICKUP
- 2024 to 2025 GMC SIERRA EV
- 2026 GMC TERRAIN
- 2025 GMC YUKON
- 2025 GMC YUKON XL

JSON: [/v1/bulletins/11018430](/v1/bulletins/11018430)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20PIT6215B&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11018430&vehicle=Service%20bulletin%20PIT6215B)