# Service campaign MAS005131 MCL 26\-09

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 campaign
- NHTSA id: 11031744
- Published by NHTSA: 2026\-04\-30
- Manufacturer's number: MAS005131 MCL 26\-09
- Manufacturer's date: 2026\-04\-30
- Campaign id or software version: Rapid Update 819
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

Effective immediately\! Rapid Update \#819 – MC20 BCM SW Update has been temporarily suspended. This decision follows the identification of potential Drive Mode Selector \(DSCM\) malfunctions observed on some vehicles after the execution of the RU 819 software update, which is currently under in\-depth technical investigation by HQ.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031744-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031744-9999.pdf)

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

## Vehicles listed

- 2021 MASERATI MC20
- 2022 to 2025 MASERATI MC20
- 2026 MASERATI MC20
- 2023 to 2025 MASERATI MC20 CIELO
- 2026 MASERATI MC20 PURA

JSON: [/v1/bulletins/11031744](/v1/bulletins/11031744)

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