# Service bulletin PIT5811A

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: 11006399
- Published by NHTSA: 2024\-08\-15
- Manufacturer's number: PIT5811A
- Manufacturer's date: 2024\-08\-15
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates an issue with the out of park signal, used by upfitters, being inoperative. Dealers are to reprogram the BCM with updated cals to enable the upfitter out of park signal.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006399-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11006399-9999.pdf)

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

## Vehicles listed

- 2020 to 2021 CHEVROLET SILVERADO 1500
- 2024 CHEVROLET SILVERADO 2500
- 2024 CHEVROLET SILVERADO 3500
- 2020 to 2021 GMC SIERRA 1500
- 2024 GMC SIERRA 2500
- 2024 GMC SIERRA 3500

JSON: [/v1/bulletins/11006399](/v1/bulletins/11006399)

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