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Service bulletin 122-E5V9Y-08

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 id10163779
Published by NHTSA2019-08-12
Manufacturer's number122-E5V9Y-08
Manufacturer's date2019-07-11
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

Instructions on carrying out the WKC7 Workshop campaign, which is a re-programming of the DME control unit in order to optimize the control of the oxygen sensor downstream of the catalytic converter.

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, Equipment and accessories, Exhaust and emissions, Labels and manuals, Catalytic converter

Vehicles listed
PORSCHE PANAMERA2017, 2018

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