# Service bulletin PIP6072

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: 11019838
- Published by NHTSA: 2025\-06\-30
- Manufacturer's number: PIP6072
- Manufacturer's date: 2025\-06\-17
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary Information communicates possible conditions they may encounter during HVAC flushing procedures on some vehicles due to adapter compatibility concerns that should be resolved soon.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019838-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11019838-9999.pdf)

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

## Vehicles listed

- 2024 BRIGHTDROP ZEVO 400
- 2024 BRIGHTDROP ZEVO 600
- 2025 CADILLAC ESCALADE IQ
- 2026 CADILLAC ESCALADE IQL
- 2023 to 2025 CADILLAC LYRIQ
- 2025 CADILLAC OPTIQ
- 2026 CADILLAC VISTIQ
- 2024 to 2025 CHEVROLET BLAZER EV
- 2026 CHEVROLET BRIGHTDROP 400
- 2026 CHEVROLET BRIGHTDROP 600
- 2024 to 2025 CHEVROLET EQUINOX EV
- 2024 to 2025 CHEVROLET SILVERADO EV
- 2022 to 2025 GMC HUMMER EV PICKUP
- 2024 to 2025 GMC SIERRA EV

JSON: [/v1/bulletins/11019838](/v1/bulletins/11019838)

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