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Service bulletin No. 11-14

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 id11026367
Published by NHTSA2025-12-05
Manufacturer's numberNo. 11-14
Manufacturer's date2025-11-13
NHTSA componentPOWER TRAIN

NHTSA's summary

Technical information for Checking Dual-Mass Flywheel (DMF) on Vehicles with PDK (11/14)

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

Vehicles listed
PORSCHE 718 BOXSTER2016
PORSCHE 718 BOXSTER2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
PORSCHE 718 CAYMAN2016
PORSCHE 718 CAYMAN2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
PORSCHE 718 CAYMAN2026
PORSCHE 9112012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
PORSCHE BOXSTER2012, 2013, 2014, 2015
PORSCHE BOXSTER (987)2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYMAN2010, 2011, 2012, 2013, 2014, 2015
PORSCHE CAYMAN2020
PORSCHE PANAMERA2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
PORSCHE redundant BOXSTER2017
PORSCHE redundant BOXSTER2020 to 2022
PORSCHE redundant CAYMAN2021 to 2022

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

Recalls for the same vehicles and component
24V3430002024-05-15. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
21V6790002021-09-01. POWER TRAIN:AXLE ASSEMBLY
20V3810002020-07-01. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
20192912019-06-12. Powertrain
20192902019-06-12. Powertrain
19V4460002019-06-12. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
19V4450002019-06-12. POWER TRAIN:AXLE HUBS; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
20140552014-02-25. Powertrain

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
No. 87-262026-10-02. Service bulletin. Technical Information for Rattling Noises from Around the Rear Silencer
No. 91-262026-10-02. Service bulletin. Technical Information for Particles/Metal Chips/Residues in Engine Oil
No. 103-25-22026-10-02. Service bulletin. Technical Information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach
SY No. 72-262026-10-02. Service bulletin. Symptom-based workshop manual for High-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin only covers 911 Turbo S with the t-hybrid system.
No. 72-262026-10-02. Service bulletin. Symptom-based workshop manual for High-Pitched “Whining” and Whistling Noises in Partial Load Operation from the Engine Area. Note that this bulletin covers only 911 GTS t-hybrid models.
No. 37-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils
No. 32-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils
No. 31-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
No. 30-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
No. 29-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils