# Service bulletin PIT5691E

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: 11020679
- Published by NHTSA: 2025\-07\-14
- Manufacturer's number: PIT5691E
- Manufacturer's date: 2025\-07\-03
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates the need to Reference the latest version of GM Upfitter Integration Bulletin 149 for deleting the front or rear fuel tank of a chassis cab truck with RPO NSQ dual fuel tanks.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020679-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11020679-9999.pdf)

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

## Vehicles listed

- 2022 CHEVROLET 5500HD
- 2022 CHEVROLET 6500HD
- 2019 to 2025 CHEVROLET SILVERADO 4500
- 2019 to 2021 CHEVROLET SILVERADO 5500
- 2023 to 2025 CHEVROLET SILVERADO 5500
- 2019 CHEVROLET SILVERADO 6500
- 2021 to 2025 CHEVROLET SILVERADO 6500

JSON: [/v1/bulletins/11020679](/v1/bulletins/11020679)

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