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Service bulletin No. 17D4a

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 id10229611
Published by NHTSA2023-01-10
Manufacturer's numberNo. 17D4a
Manufacturer's date2022-12-06
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

The following illustrations are based on the four poster set "Evolution Porsche 1948-2006".

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

Equipment and accessories, Labels and manuals

Vehicles listed
PORSCHE 9111966 to 1967
PORSCHE 9111969 to 1970
PORSCHE 9111972 to 1979
PORSCHE 9111983, 1984
PORSCHE 9111987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
PORSCHE 911 (997)2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA 4 CABRIOLET1995, 1996, 1997, 1998 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA 4 CABRIOLET2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA 4S2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA CABRIOLET1995, 1996, 1997, 1998 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA CABRIOLET2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA S2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 CARRERA S CABRIOLET2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 GT22003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 GT32003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TARGA2003 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TURBO1997 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TURBO2001, 2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911 TURBO S2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911E1972
PORSCHE 911S1974
PORSCHE 911SC1974 to 1975
PORSCHE 911SC2000 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 911T1972
PORSCHE 9121969
PORSCHE 912E1976
PORSCHE 9141970 to 1976
PORSCHE 9241977
PORSCHE 9241979 to 1980
PORSCHE 9241982
PORSCHE 9241987, 1988
PORSCHE 9281978 to 1980
PORSCHE 9281981, 1982
PORSCHE 9281984
PORSCHE 9281985 to 1988
PORSCHE 9281989, 1990, 1991, 1992, 1993, 1994
PORSCHE 9281995
PORSCHE 9301978
PORSCHE 9441983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991
PORSCHE 9441992 to 1993
PORSCHE 944 TURBO1986, 1987, 1988 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 944S1987, 1988 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE 9681991
PORSCHE 9681992, 1993, 1994
PORSCHE 9681995
PORSCHE 9681997
PORSCHE 9682001
PORSCHE 996 TURBO2002
PORSCHE BOXSTER1996
PORSCHE BOXSTER1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
PORSCHE BOXSTER (987)2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE BOXSTER S2000, 2001, 2002, 2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CABRIO1990
PORSCHE CABRIOLET1999
PORSCHE CARRERA1974
PORSCHE CARRERA1987 to 1993
PORSCHE CARRERA1995 to 1999
PORSCHE CARRERA2001
PORSCHE CARRERA 21990
PORSCHE CARRERA 41989 to 1990
PORSCHE CARRERA GT2004 to 2005
PORSCHE CARRERRA GT2006
PORSCHE CAYENNE2003, 2004, 2005, 2006
PORSCHE CAYENNE GTS2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO S2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYMAN2005
PORSCHE CAYMAN2006
PORSCHE CAYMAN S2005
PORSCHE CAYMAN S2006 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE COUPE1990
PORSCHE GT22002
PORSCHE PORSCHE1989 to 1991
PORSCHE PORSCHE1993
PORSCHE TARGA1990
PORSCHE TARGA1996

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

Recalls for the same vehicles and component
13V0630002013-02-26. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR; EQUIPMENT:OTHER:LABELS
20032312003-09-25. Label
03V3510002003-09-24. EQUIPMENT:OTHER:LABELS

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. 24042024-04-03. Service bulletin. Special tools and equipment information for the Boxster, Cayman, 911, and Panamera
PIWIS2401e2024-02-08. Service bulletin. Information on PIWIS tester update 42.500.005
PIWIS2302s2023-12-08. Service bulletin. Information for PIWIS tester update 42.300.050 & .052
No. 35-232023-12-07. Service bulletin. Instructions on manufactures certificate for approved Porsche A40 engine oils
No. 33-232023-12-07. Service bulletin. Instructions on manufactures certificate for approved Porsche C30 engine oils
No. 32-232023-12-07. Service bulletin. Instructions on manufacturers certificate for approved C20 engine oils
PIWIS2302r2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.040 & .041
PIWIS2302q2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.035
PIWIS2302p2023-12-07. Service bulletin. Information for PIWIS tester update 42.300.030 - .032
No. D6542023-12-07. Service bulletin. Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY