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Service bulletin WNA3

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 id10217871
Published by NHTSA2022-08-16
Manufacturer's numberWNA3
Manufacturer's date2022-02-13
NHTSA componentELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

Porsche intranet posting with information on Workshop Campaign WNA3 - reprograming DME control unit

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, Engine

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
No. 31-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
No. 30-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
No. 29-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
No. 36-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
No. 12-262026-10-02. Service bulletin. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
GR13D8032026-09-04. Service bulletin. Parts Withdrawal - Control Valve
13/262026-08-06. Service bulletin. Allocation of Approved Engine Oils MY 2027 (13/26)
GR13D7902026-07-08. Other. Parts Withdrawal - Various Parts
20/262026-07-07. Other. Overview of Approved Porsche C20 Engine Oils (20/26)
19/26 17012026-07-07. Other. Overview of Approved Porsche C30 Engine Oils (19/26)