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Service bulletin WMD2

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 id10194856
Published by NHTSA2021-06-03
Manufacturer's numberWMD2
Manufacturer's date2021-05-01
NHTSA componentTIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

NHTSA's summary

Porsche intranet posting with preliminary information for Porsche workshop campaign WMD2 Workshop Campaign - Teach Tire Pressure Monitoring (TPM) system using the PIWIS Tester.

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

Tires, Tire pressure monitoring

Vehicles listed
PORSCHE 9112020
PORSCHE CAYENNE2020
PORSCHE CAYMAN2020
PORSCHE MACAN2020
PORSCHE PANAMERA2020
PORSCHE TAYCAN2020
PORSCHE redundant BOXSTER2020

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
ATIALL416042021-06-28. Service bulletin. 2003 to Present All with tire pressure monitoring system.
No. 2001.12021-02-01. Service bulletin. Advanced Technical information on how to manually teach Tire Pressure Monitoring System if a Warning Occurs at PDI
No. 226-20-12021-02-01. Service bulletin. Instructions for clearing a tire pressure monitoring system error message in the instrument cluster.
No 226-20-32021-02-01. Service bulletin. Instructions for clearing a Tire pressure monitoring system error message in the instrument cluster.
122-H4T8S-032020-03-05. Service bulletin. Porsche intranet posting for Workshop campaign WKK2. WKK2 Workshop campaign - Re-programming Tire Pressure Monitoring (TPM) control unit
122-R3X2M-032020-03-05. Service bulletin. Repair manual for Workshop Campaign WKK2, which seeks to reprogram the TPMS control unit on affected Cayenne vehicles.