# Service bulletin PIC6602S

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: 11029449
- Published by NHTSA: 2026\-03\-03
- Manufacturer's number: PIC6602S
- Manufacturer's date: 2026\-02\-27
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029449-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029449-9999.pdf)

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

## Vehicles listed

- 2023 BRIGHTDROP 600 ELCV
- 2024 to 2025 CHEVROLET CORVETTE
- 2022 to 2026 CHEVROLET SILVERADO 1500
- 2024 to 2026 CHEVROLET SILVERADO 2500
- 2024 to 2026 CHEVROLET SILVERADO 3500
- 2022 to 2024 CHEVROLET SUBURBAN 1500
- 2022 to 2024 CHEVROLET TAHOE
- 2022 to 2026 GMC SIERRA 1500
- 2024 to 2026 GMC SIERRA 2500
- 2024 to 2026 GMC SIERRA 3500
- 2022 to 2024 GMC YUKON
- 2022 to 2024 GMC YUKON XL

JSON: [/v1/bulletins/11029449](/v1/bulletins/11029449)

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