# Other MAS004558 DS 25\-03

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: 11014333
- Published by NHTSA: 2025\-02\-18
- Manufacturer's number: MAS004558 DS 25\-03
- Manufacturer's date: 2025\-02\-04
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Diagnostic Sheet serves as a guide and provides additional diagnostic info for possible MC20 gearbox anomalies and possible lower\-level repair now available. Maserati also introduced a new Procedure available through the MDEVO called “DCTM Service Fast Learn”. This new routine could be used to address issues related to sticky valve and performs a purge cycle and a valve readaptation to address pressure related issues.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014333-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11014333-9999.pdf)

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

## Vehicles listed

- 2023 to 2024 MASERATI MC20
- 2023 to 2024 MASERATI MC20 CIELO

JSON: [/v1/bulletins/11014333](/v1/bulletins/11014333)

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