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Service bulletin No. 83-20.2

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 id10179192
Published by NHTSA2020-09-02
Manufacturer's numberNo. 83-20.2
Manufacturer's date2020-08-03
NHTSA componentPOWER TRAIN

NHTSA's summary

Extended warranty information on the Cayenne Transfer Gear MY15-18.

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 CAYENNE2015, 2016, 2017, 2018

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
No. 28-262026-10-02. 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. 27-262026-10-02. 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. 26-262026-10-02. 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.
No. 25-262026-10-02. Service bulletin. Manufacturer's Certificate for Overview of Approved Porsche A40 Engine Oils. Note that this bulletin covers all vehicles from model year 1997 to 2020, for which A40 engine oils are assigned. Model years 1997-2001 are not available for selection in the system.
No. D7802026-05-07. Service bulletin. Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected - the vehicles that use this part number should be included.
No. D7762026-05-06. Service bulletin. Parts information for parts withdrawal involving the transmission oil. The vehicles affected are ones that use the part number 00004330563
No. D768.12026-04-07. Service bulletin. Parts information for parts withdrawal involving the transmission fluid. Part number 00004321048. The cars affected are ones that use the part number listed.
No. D7682026-03-02. Service bulletin. Parts information for parts withdrawal involving the (00004321048) Transmission fluid. The vehicles affected are ones that use the part number mentioned.
No. D7612026-03-02. Service bulletin. Parts information for parts withdrawal involving the 7 speed dual clutch gear box. Part numbers 0BG300047 and 0BG300047X are affected. Cars that are involved are ones that use the part numbers mentioned.
No. D735.12025-10-08. Service bulletin. Parts information for parts withdrawal involving the rear axle steering. The part numbers are 992501031H, 992501032H, 992501033AB, 992501033AC. The vehicles affected are cars that use the part numbers listed