# Service bulletin PIT6224B

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: 11026492
- Published by NHTSA: 2025\-12\-08
- Manufacturer's number: PIT6224B
- Manufacturer's date: 2025\-12\-04
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates the Heavy Fuel Usage message in the DIC is normal due to low fuel range and current driving habits, or low fuel range and vehicle is idling.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026492-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11026492-9999.pdf)

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

## Vehicles listed

- 2023 to 2026 CADILLAC ESCALADE
- 2023 to 2026 CADILLAC ESCALADE ESV
- 2023 to 2026 CHEVROLET SILVERADO 1500
- 2024 to 2026 CHEVROLET SILVERADO 2500
- 2024 to 2026 CHEVROLET SILVERADO 3500
- 2023 to 2026 CHEVROLET SUBURBAN 1500
- 2023 to 2026 CHEVROLET TAHOE
- 2023 to 2026 GMC SIERRA 1500
- 2024 to 2026 GMC SIERRA 2500
- 2024 to 2026 GMC SIERRA 3500
- 2023 to 2026 GMC YUKON
- 2023 to 2026 GMC YUKON XL

JSON: [/v1/bulletins/11026492](/v1/bulletins/11026492)

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