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Service bulletin No. 170-21

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10208641
Published by NHTSA2022-03-04
Manufacturer's numberNo. 170-21
Manufacturer's date2022-02-18
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT

NHTSA's summary

Technical information for recall campaign - WMM8: enabling functions on media interface.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, 12-volt battery, Software

Vehicles listed
PORSCHE MACAN2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIWIS2401j2024-03-04. Service bulletin. Information for PIWIS tester update 42.500.020
No. 72-222022-06-03. Service bulletin. Technical information on WND8: re-programing DME control unit