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Service bulletin 122-X7S6C-06

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 id10109335
Published by NHTSA2017-08-01
Manufacturer's number122-X7S6C-06
Manufacturer's date2012-05-29
NHTSA componentPOWER TRAIN:CLUTCH ASSEMBLY; POWER TRAIN:MANUAL TRANSMISSION

NHTSA's summary

Concerns: Electric change-over valves Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. There is the possibility that electric change-over valves, which may be susceptible to the ingress of moisture due to insufficient sealing, were installed in the affected vehicles. This can cause the change-over valves to malfunction over time. As a result, control over the closing valves in the clutch cooling system (PDK) and gear wheel set (PDK and manual transmission) may be impaired. In extreme driving situations (e.g. race starts, high ambient temperature, frequent gear changes), the transmission or clutch could overheat.

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

Transmission and driveline, Clutch, Manual transmission

Vehicles listed
PORSCHE 911 CARRERA2012, 2013 (the catalog's model; the bulletin names a series or trim of it)

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
WLP12021-01-05. Service bulletin. Porsche intranet posting with preliminary information on Workshop Campaign WLP1 (Workshop campaign for parts analysis) - Replacing manual transmission
122-D3S6B-062017-09-14. Service bulletin. Concerns: Clutch master cylinder return line Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. A return line for the clutch master cylinder that does not meet the required specifications was installed in the affected vehicles. As a result, there is a possibility that brake fluid may leak out at the return line connection to the reservoir and the message "Warning Brake fluid level" may be activated in the multi-function display.
122-P4U9T-062017-08-01. Service bulletin. Concerns: Electric change-over valves Information: This is to inform you of a voluntary Workshop Campaign on the above-mentioned vehicles. There is the possibility that electric change-over valves, which may be susceptible to the ingress of moisture due to insufficient sealing, were installed in the affected vehicles. This can cause the change-over valves to malfunction over time. As a result, control over the closing valves in the clutch cooling system (PDK) and gear wheel set (PDK and manual transmission) may be impaired. In extreme driving situations (e.g. race starts, high ambient temperature, frequent gear changes), the transmission or clutch could overheat.
TI-64-122013-01-04. Service bulletin. PORSCHE: DUE TO INSUFFICIENT SEALING, ELECTRIC CHANGE OVER VALVES ARE SUSCEPTIBLE TO MOISTURE AND CAUSES CHANGE OVER VALVES, OVERTIME, TO MALFUNCTION AND THE CLUTCH COOLING SYSTEM (PDK) AND GEAR WHEEL SET MAY BE IMPAIRED. MODELS 2012-2013 911 CARRERA AND 911 CARRERA S. *PE