# Service bulletin MAS001622

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: 10144957
- Published by NHTSA: 2018\-09\-24
- Manufacturer's number: MAS001622
- Manufacturer's date: 2018\-08\-13
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Technical bulletin on new software for rear floor vent operation on four\-zone HVAC

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10144957-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10144957-0001.pdf)

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

## Components

Electrical system, Software

## Vehicles listed

- 2014 to 2016 MASERATI QUATTROPORTE

## Other bulletins for the same vehicles and component

- [MAS001520](/bulletins/10138249.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER. TSB for HVAC software update to resolve sticking actuators.

JSON: [/v1/bulletins/10144957](/v1/bulletins/10144957)

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