# Other MAS004833 DS 25\-26

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: Other
- NHTSA id: 11021166
- Published by NHTSA: 2025\-08\-01
- Manufacturer's number: MAS004833 DS 25\-26
- Manufacturer's date: 2025\-07\-31
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This bulletin provides a corrective procedure for addressing false knock sensor DTCs caused by moisture accumulation. The procedure involves performing a controlled warm\-up cycle to burn off the moisture from the sensor area, helping to resolve DTCs such as P0327, P0332, P032C, and P033C without unnecessary sensor replacement. Models Involved: \(M156\) Quattroporte, \(M157\) Ghibli, \(M161\) Levante \(V6 \& V8 engines\) ALL MY

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021166-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021166-9999.pdf)

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

## Trouble codes named

P0327, P032C, P0332, P033C

## Vehicles listed

- 2014 to 2024 MASERATI GHIBLI
- 2014 to 2016 MASERATI LEVANTE
- 2017 to 2024 MASERATI LEVANTE
- 2017 MASERATI LEVANTE S
- 2004 MASERATI QUATTROPORTE
- 2005 to 2024 MASERATI QUATTROPORTE
- 2014 MASERATI QUATTROPORTE GTS
- 2005 MASERATI QUATTROPORTES

JSON: [/v1/bulletins/11021166](/v1/bulletins/11021166)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Other%20MAS004833%20DS%2025-26&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11021166&vehicle=Other%20MAS004833%20DS%2025-26)