# Service bulletin No. 205\-21\-1

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: 10208620
- Published by NHTSA: 2022\-03\-03
- Manufacturer's number: No. 205\-21\-1
- Manufacturer's date: 2022\-02\-14
- NHTSA component: EQUIPMENT; LANE DEPARTURE; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Technical information for a message stating "lane change assist not available \- service necessary" in the instrument cluster. re\-programing lane change assist control units.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208620-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208620-9999.pdf)

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

## Components

Driver assistance, Electrical system, Equipment and accessories, Software

## Vehicles listed

- 2021 to 2022 PORSCHE 911

## Other bulletins for the same vehicles and component

- [PIWIS2401j](/bulletins/10251154.md), 2024-03-04, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. Information for PIWIS tester update 42.500.020
- [WPF2](/bulletins/10237488.md), 2023-06-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM; WHEELS. Porsche intranet posting with information on workshop campaign \- WPF2 \- recoding the tire pressure monitor control unit
- [No. 203\-21](/bulletins/10208610.md), 2022-03-03, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on vehicle sporadically not available via remote access services: reprogram connect control unit.

JSON: [/v1/bulletins/10208620](/v1/bulletins/10208620)

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