Warranty extension 18/26
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 | Warranty extension |
|---|---|
| NHTSA id | 11035922 |
| Published by NHTSA | 2026-08-06 |
| Manufacturer's number | 18/26 |
| Manufacturer's date | 2026-07-23 |
| Campaign id or software version | 18/26 |
| NHTSA component | POWER TRAIN |
| Manufacturer's system | Transmission Control Unit |
NHTSA's summary
Warranty Information: Warranty Extension for Transmission Electronics Control Unit (18/26)
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
| PORSCHE 718 BOXSTER | 2016 |
|---|---|
| PORSCHE 718 BOXSTER | 2017, 2018, 2019, 2020, 2021, 2022 |
| PORSCHE 718 BOXSTER GTS | 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 718 BOXSTER S | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 718 CAYMAN | 2016 |
| PORSCHE 718 CAYMAN | 2017, 2018, 2019, 2020, 2021, 2022 |
| PORSCHE 718 CAYMAN GTS | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 718 CAYMAN S | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| PORSCHE 911 CARRERA | 2012, 2013, 2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA | 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4 | 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4 GTS | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4 GTS | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4S | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA GTS | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA GTS | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA S | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT2 | 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT2 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT2 RS | 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 | 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 | 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 | 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 RS | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 TOURING | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4S | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4S | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TURBO | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TURBO S | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TURBO S | 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 918 | 2015 |
| PORSCHE 918 SPYDER | 2015 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE BOXSTER | 2012, 2013, 2014, 2015 |
| PORSCHE BOXSTER S | 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE BOXSTER SPYDER | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYMAN | 2012, 2013, 2014, 2015 |
| PORSCHE CAYMAN | 2020 |
| PORSCHE CAYMAN GTS | 2020 to 2021 |
| PORSCHE CAYMAN R | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYMAN S | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYMAN S | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| PORSCHE PANAMERA 4 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 E-HYBRID | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 EXECUTIVE | 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 HYBRID | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 HYBRID EXECUTI | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 HYBRID SPORT T | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 SPORT TURISMO | 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S E-HYBRID | 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S EXECUTIVE | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S SPORT TURISMO | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA E-HYBRID | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA GTS | 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA GTS | 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA GTS SPORT TURISM | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA S | 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA S E-HYBRID | 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA S HYBRID | 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO EXECUTIVE | 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S | 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S E-HYBRID | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S EXECUTIV | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S HYBRID | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S HYBRID E | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S HYBRID S | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO SPORT TURI | 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE redundant BOXSTER | 2017 |
| PORSCHE redundant BOXSTER | 2020 to 2022 |
| PORSCHE redundant CAYMAN | 2021 to 2022 |
| PORSCHE redundant CAYMAN GTS | 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 21V679000 | 2021-09-01. POWER TRAIN:AXLE ASSEMBLY |
|---|---|
| 20V381000 | 2020-07-01. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT |
| 2019291 | 2019-06-12. Powertrain |
| 2019290 | 2019-06-12. Powertrain |
| 19V446000 | 2019-06-12. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL) |
| 19V445000 | 2019-06-12. POWER TRAIN:AXLE HUBS; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT |
| 2014055 | 2014-02-25. Powertrain |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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| No. 29-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils |
| No. 28-26 | 2026-10-02. Service bulletin. 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 | 2026-10-02. Service bulletin. 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. |
| No. 26-26 | 2026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils. Note that the bulletin includes all models back to model year 1984, for which C30 engine oils are allocated. |