# Service bulletin 08\-037\-25

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: 11014479
- Published by NHTSA: 2025\-02\-25
- Manufacturer's number: 08\-037\-25
- Manufacturer's date: 2025\-02\-18
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

"Droning Humming Growling Noise Customers may comment on the following: ● Droning, humming or growling noises while in drive, park or neutral. This condition might disappear if the door is opened or a window is lowered down or when covering the Active Noise Cancellation \(ANC\) microphones This bulletin involves performing a PROXI Configuration Alignment."

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014479-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014479-9999.pdf)

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

## Vehicles listed

- 2023 to 2025 JEEP GRAND CHEROKEE
- 2023 to 2025 JEEP GRAND CHEROKEE L

JSON: [/v1/bulletins/11014479](/v1/bulletins/11014479)

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