# Service bulletin PIT6509

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: 11031892
- Published by NHTSA: 2026\-05\-01
- Manufacturer's number: PIT6509
- Manufacturer's date: 2026\-04\-23
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This preliminary information is to communicate to technicians and customer that engineering is aware of this concern and once the software is released for service, this PI will turn into a bulletin for the repair. At this time, not to replace any parts.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031892-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031892-9999.pdf)

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

## Vehicles listed

- 2025 BUICK ENCLAVE
- 2024 to 2025 CHEVROLET TRAVERSE
- 2024 to 2025 GMC ACADIA

JSON: [/v1/bulletins/11031892](/v1/bulletins/11031892)

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