# Service bulletin No. 14\-23 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. - Type: Service bulletin - NHTSA id: 10240439 - Published by NHTSA: 2023\-08\-04 - Manufacturer's number: No. 14\-23 - Manufacturer's date: 2023\-07\-31 - NHTSA component: ENGINE AND ENGINE COOLING ## NHTSA's summary Manufacturers certificate for allocation of approved engine oils ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10240439-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10240439-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine ## Vehicles listed - 2017 PORSCHE 718 - 2016 PORSCHE 718 BOXSTER - 2017 to 2023 PORSCHE 718 BOXSTER - 2021 to 2023 PORSCHE 718 BOXSTER GTS - 2017 to 2023 PORSCHE 718 BOXSTER S - 2016 PORSCHE 718 CAYMAN - 2017 to 2023 PORSCHE 718 CAYMAN - 2022 to 2023 PORSCHE 718 CAYMAN GT4 - 2022 to 2023 PORSCHE 718 CAYMAN GTS - 2017 to 2023 PORSCHE 718 CAYMAN S - 2018 to 2019 PORSCHE 718 SPYDER - 2020 PORSCHE 718 SPYDER - 2021 PORSCHE 718 SPYDER - 2022 to 2023 PORSCHE 718 SPYDER - 1966 to 1967 PORSCHE 911 - 1969 to 1970 PORSCHE 911 - 1972 to 1979 PORSCHE 911 - 1983 to 1984 PORSCHE 911 - 1987 to 2005 PORSCHE 911 - 2012 to 2023 PORSCHE 911 - 2005 to 2011 PORSCHE 911 \(997\) - 2022 PORSCHE 911 4S - 1997 to 2017 PORSCHE 911 CARRERA - 2020 to 2023 PORSCHE 911 CARRERA - 2009 PORSCHE 911 CARRERA 4 - 2012 to 2013 PORSCHE 911 CARRERA 4 - 1995 to 1998 PORSCHE 911 CARRERA 4 CABRIOLET - 2003 PORSCHE 911 CARRERA 4 CABRIOLET - 2012 PORSCHE 911 CARRERA 4 GTS - 2003 PORSCHE 911 CARRERA 4S - 2009 PORSCHE 911 CARRERA 4S - 2012 PORSCHE 911 CARRERA 4S - 1995 to 1998 PORSCHE 911 CARRERA CABRIOLET - 2003 PORSCHE 911 CARRERA CABRIOLET - 2012 PORSCHE 911 CARRERA GTS - 2005 to 2021 PORSCHE 911 CARRERA S - 2023 PORSCHE 911 CARRERA S - 2005 to 2006 PORSCHE 911 CARRERA S CABRIOLET - 2023 PORSCHE 911 CARRERA T - 2023 PORSCHE 911 DAKAR - 2003 to 2013 PORSCHE 911 GT2 - 2019 PORSCHE 911 GT2 - 2010 to 2011 PORSCHE 911 GT2 RS - 2018 to 2019 PORSCHE 911 GT2 RS - 2003 to 2016 PORSCHE 911 GT3 - 2018 to 2019 PORSCHE 911 GT3 - 2021 to 2023 PORSCHE 911 GT3 - 2008 PORSCHE 911 GT3 RS - 2010 to 2011 PORSCHE 911 GT3 RS - 2016 PORSCHE 911 GT3 RS - 2019 PORSCHE 911 GT3 RS - 2023 to 2024 PORSCHE 911 GT3 RS - 2016 PORSCHE 911 R - 2011 PORSCHE 911 SPEEDSTER - 2003 PORSCHE 911 TARGA - 2009 PORSCHE 911 TARGA 4 - 2012 to 2021 PORSCHE 911 TARGA 4 - 2023 PORSCHE 911 TARGA 4 - 2009 PORSCHE 911 TARGA 4S - 2012 PORSCHE 911 TARGA 4S - 2014 PORSCHE 911 TARGA 4S - 2023 PORSCHE 911 TARGA 4S - 1997 PORSCHE 911 TURBO - 2001 to 2023 PORSCHE 911 TURBO - 2005 PORSCHE 911 TURBO S - 2010 to 2012 PORSCHE 911 TURBO S - 2022 to 2023 PORSCHE 911 TURBO S - 1972 PORSCHE 911E - 1974 PORSCHE 911S - 1974 to 1975 PORSCHE 911SC - 2000 PORSCHE 911SC - 1972 PORSCHE 911T - 1969 PORSCHE 912 - 1976 PORSCHE 912E - PORSCHE 914 - 1970 to 1976 PORSCHE 914 - 2015 PORSCHE 918 - 2015 PORSCHE 918 SPYDER - 2016 PORSCHE 918 SPYDER - PORSCHE 924 - 1977 PORSCHE 924 - 1979 to 1980 PORSCHE 924 - 1982 PORSCHE 924 - 1987 to 1988 PORSCHE 924 - PORSCHE 928 - 1978 to 1980 PORSCHE 928 - 1981 to 1982 PORSCHE 928 - 1984 PORSCHE 928 - 1985 to 1988 PORSCHE 928 - 1989 to 1994 PORSCHE 928 - 1995 PORSCHE 928 - 1978 PORSCHE 930 - 1983 to 1991 PORSCHE 944 - 1992 to 1993 PORSCHE 944 - 1986 to 1988 PORSCHE 944 TURBO - 1987 to 1988 PORSCHE 944S - 1991 PORSCHE 968 - 1992 to 1994 PORSCHE 968 - 1995 PORSCHE 968 - 1997 PORSCHE 968 - 2001 PORSCHE 968 - 2009 PORSCHE 987 CAYMAN - 2002 PORSCHE 996 TURBO - 2008 PORSCHE 997 \(911\) - 1996 PORSCHE BOXSTER - 1997 to 2006 PORSCHE BOXSTER - 2012 to 2015 PORSCHE BOXSTER - 2005 to 2011 PORSCHE BOXSTER \(987\) - 2000 to 2005 PORSCHE BOXSTER S - 2011 to 2014 PORSCHE BOXSTER S - 2012 PORSCHE BOXSTER SPYDER - 1990 PORSCHE CABRIO - 1999 PORSCHE CABRIOLET - PORSCHE CARRERA - 1974 PORSCHE CARRERA - 1987 to 1993 PORSCHE CARRERA - 1995 to 1999 PORSCHE CARRERA - 2001 PORSCHE CARRERA - 2023 PORSCHE CARRERA - 1990 PORSCHE CARRERA 2 - 1989 to 1990 PORSCHE CARRERA 4 - 2023 PORSCHE CARRERA 4 - 2023 PORSCHE CARRERA 4 GTS - 2023 PORSCHE CARRERA 4S - 2004 to 2005 PORSCHE CARRERA GT - 2023 PORSCHE CARRERA GTS - 2023 PORSCHE CARRERA S - 2006 PORSCHE CARRERRA GT - 2003 to 2024 PORSCHE CAYENNE - 2011 PORSCHE CAYENNE \(E2\) - 2024 PORSCHE CAYENNE COUPE - 2013 to 2015 PORSCHE CAYENNE DIESEL - 2014 PORSCHE CAYENNE E\-HYBRID - 2019 to 2023 PORSCHE CAYENNE E\-HYBRID - 2020 to 2022 PORSCHE CAYENNE GT - 2006 to 2010 PORSCHE CAYENNE GTS - 2013 to 2014 PORSCHE CAYENNE GTS - 2016 PORSCHE CAYENNE GTS - 2021 to 2023 PORSCHE CAYENNE GTS - 2003 to 2009 PORSCHE CAYENNE S - 2011 to 2015 PORSCHE CAYENNE S - 2018 to 2024 PORSCHE CAYENNE S - 2024 PORSCHE CAYENNE S COUPE - 2015 to 2018 PORSCHE CAYENNE S E\-HYBRID - 2020 PORSCHE CAYENNE S E\-HYBRID - 2011 to 2013 PORSCHE CAYENNE S HYBRID - 2010 PORSCHE CAYENNE TRANSSYBERIA - 2003 to 2015 PORSCHE CAYENNE TURBO - 2018 to 2020 PORSCHE CAYENNE TURBO - 2023 PORSCHE CAYENNE TURBO - 2020 PORSCHE CAYENNE TURBO COUPE - 2022 to 2024 PORSCHE CAYENNE TURBO GT - 2006 to 2010 PORSCHE CAYENNE TURBO S - 2014 PORSCHE CAYENNE TURBO S - 2016 PORSCHE CAYENNE TURBO S - 2019 to 2023 PORSCHE CAYENNE TURBO S E\-HYBRID - 2020 PORSCHE CAYENNE TURBO S HYB COUPE - 2005 PORSCHE CAYMAN - 2006 to 2015 PORSCHE CAYMAN - 2020 PORSCHE CAYMAN - 2016 PORSCHE CAYMAN GT4 - 2020 to 2021 PORSCHE CAYMAN GT4 - 2020 to 2021 PORSCHE CAYMAN GTS - 2012 PORSCHE CAYMAN R - 2005 PORSCHE CAYMAN S - 2006 PORSCHE CAYMAN S - 2012 PORSCHE CAYMAN S - 2014 PORSCHE CAYMAN S - 1990 PORSCHE COUPE - 2002 PORSCHE GT2 - 2014 PORSCHE MACAN - 2015 to 2023 PORSCHE MACAN - 2017 to 2023 PORSCHE MACAN GTS - 2015 to 2023 PORSCHE MACAN S - 2018 PORSCHE MACAN SPORT EDITION - 2015 to 2018 PORSCHE MACAN TURBO - 2020 to 2023 PORSCHE MACAN TURBO - 2010 to 2023 PORSCHE PANAMERA - 2011 to 2023 PORSCHE PANAMERA 4 - 2017 to 2024 PORSCHE PANAMERA 4 E\-HYBRID - 2018 to 2023 PORSCHE PANAMERA 4 EXECUTIVE - 2018 PORSCHE PANAMERA 4 HYBRID - 2018 PORSCHE PANAMERA 4 HYBRID EXECUTI - 2018 PORSCHE PANAMERA 4 HYBRID SPORT T - 2018 to 2020 PORSCHE PANAMERA 4 SPORT TURISMO - 2010 to 2021 PORSCHE PANAMERA 4S - 2019 to 2022 PORSCHE PANAMERA 4S E\-HYBRID - 2017 to 2021 PORSCHE PANAMERA 4S EXECUTIVE - 2018 to 2021 PORSCHE PANAMERA 4S SPORT TURISMO - 2022 PORSCHE PANAMERA E\-HYBRID - 2010 to 2016 PORSCHE PANAMERA GTS - 2019 to 2021 PORSCHE PANAMERA GTS - 2023 PORSCHE PANAMERA GTS - 2019 to 2020 PORSCHE PANAMERA GTS SPORT TURISM - 2010 to 2016 PORSCHE PANAMERA S - 2011 to 2016 PORSCHE PANAMERA S E\-HYBRID - 2011 to 2014 PORSCHE PANAMERA S HYBRID - 2010 to 2020 PORSCHE PANAMERA TURBO - 2017 to 2020 PORSCHE PANAMERA TURBO EXECUTIVE - 2012 to 2016 PORSCHE PANAMERA TURBO S ## Recalls for the same vehicles and component - [21V341000](/recalls/nhtsa/21V341000.md), 2021-05-12: ENGINE - [2017296](/recalls/tc/2017296.md), 2017-06-07: Engine - [17V368000](/recalls/nhtsa/17V368000.md), 2017-06-07: ENGINE - [15V016000](/recalls/nhtsa/15V016000.md), 2015-01-20: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE - [14V090000](/recalls/nhtsa/14V090000.md), 2014-03-24: ENGINE AND ENGINE COOLING - [13V058000](/recalls/nhtsa/13V058000.md), 2013-02-22: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE - [12V329000](/recalls/nhtsa/12V329000.md), 2012-07-12: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER - [2012209](/recalls/tc/2012209.md), 2012-07-11: Engine - [06V008000](/recalls/nhtsa/06V008000.md), 2006-01-12: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM - [95V248000](/recalls/nhtsa/95V248000.md), 1995-12-28: ENGINE AND ENGINE COOLING:COOLING SYSTEM ## Other bulletins for the same vehicles and component - [WSM5](/bulletins/11037867.md), 2026-10-02, Service campaign: ENGINE; STRUCTURE:BODY. Porsche intranet posting for Campaign WSM5 – Replacing engine data sticker \(VECI\) - [No. WSM5](/bulletins/11037865.md), 2026-10-02, Service campaign: ENGINE; STRUCTURE:BODY. Technical Information for Campaign WSM5 – Replacing engine data sticker \(VECI\) - [No. 91\-26](/bulletins/11037847.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Technical Information for Particles/Metal Chips/Residues in Engine Oil - [No. 37\-26](/bulletins/11037828.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils - [No. 32\-26](/bulletins/11037826.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils - [No. 31\-26](/bulletins/11037825.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils - [No. 30\-26](/bulletins/11037822.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils - [No. 29\-26](/bulletins/11037818.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils - [No. 28\-26](/bulletins/11037816.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils. Note that this bulletin covers all models back to model year 1984, for which C40 engine oils are allocated. - [No. 27\-26](/bulletins/11037813.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils. Note that the bulletin covers all models back to model year 1984, for which C20 engine oils are allocated. 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