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Service bulletin No. 255-22

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 id10232412
Published by NHTSA2023-03-04
Manufacturer's numberNo. 255-22
Manufacturer's date2023-02-14
NHTSA componentEQUIPMENT:ELECTRICAL; BACK OVER PREVENTION:SOFTWARE

NHTSA's summary

Technical information WNW4 - recoding 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

Driver assistance, Equipment and accessories, Backup camera

Vehicles listed
PORSCHE 9112022
PORSCHE CAYENNE E-HYBRID2022 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE MACAN2022

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

Recalls for the same vehicles and component
25V8960002025-12-19. BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
No. 11-25-42026-09-04. Service bulletin. Technical Information for White Messages Regarding Driver Assistance Systems in Conjunction with Passive Fault Memory Entries in the ZFAS Control Unit
No. 75-252026-09-04. Service bulletin. Technical Information for Various White Messages Regarding Driver Assistance Systems/Fault Memory Entry "C12D5FA" in the ZFAS Control Unit
ASB22026-08-05. Service campaign. Re-Programming Assistance System Control Unit (Stop Delivery/Recall Campaign)
03/26 91022026-07-07. Service bulletin. Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26)
03/26 91022026-07-07. Service bulletin. Complaint Regarding the Camera View (Real Top View) in the PCM Central Display (03/26)
PIWIS2301ar2023-08-03. Service bulletin. Information for PIWIS tester updates 42.000.050 & .051
PIWIS2301aq2023-08-03. Service bulletin. Information for PIWIS tester update 42.000.048