# Service bulletin PIT6531

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: 11034781
- Published by NHTSA: 2026\-07\-07
- Manufacturer's number: PIT6531
- Manufacturer's date: 2026\-06\-29
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This preliminary information communicates an issue with aftermarket LED lighting causing false front park assist alerts and dealers are to install the factory lighting before performing any in depth diagnostics.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034781-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11034781-9999.pdf)

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

## Vehicles listed

- 2023 to 2026 CHEVROLET SILVERADO 1500
- 2024 to 2026 CHEVROLET SILVERADO 2500
- 2024 to 2026 CHEVROLET SILVERADO 3500
- 2023 to 2026 GMC SIERRA 1500
- 2024 to 2026 GMC SIERRA 2500
- 2024 to 2026 GMC SIERRA 3500

JSON: [/v1/bulletins/11034781](/v1/bulletins/11034781)

[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%20PIT6531&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11034781&vehicle=Service%20bulletin%20PIT6531)