# Service bulletin 122\-K6N9E\-01

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: 10169765
- Published by NHTSA: 2020\-01\-03
- Manufacturer's number: 122\-K6N9E\-01
- Manufacturer's date: 2019\-12\-05
- NHTSA component: POWER TRAIN

## NHTSA's summary

Technical Service bulletin for Stop Delivery Workshop Campaign WKJ4, Replacing Rear Axle Differential.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169765-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10169765-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline

## Vehicles listed

- 2020 PORSCHE CAYENNE

## Recalls for the same vehicles and component

- [2020211](/recalls/tc/2020211.md), 2020-05-14: Powertrain
- [20V271000](/recalls/nhtsa/20V271000.md), 2020-05-13: POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

## Other bulletins for the same vehicles and component

- [No. 103\-25\-2](/bulletins/11037838.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; POWER TRAIN. 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
- [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.
- [No. 26\-26](/bulletins/11037812.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. 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\-26](/bulletins/11037808.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. 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. 81\-26](/bulletins/11037800.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. Technical Information for Yellow Warning Message “All\-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All\-Wheel Electronics Control Unit
- [GR13D802](/bulletins/11037070.md), 2026-09-04, Service bulletin: ENGINE; POWER TRAIN. Parts Information for Parts Withdrawal \- Coolant Regulator Housing
- [No. 2304\-2](/bulletins/11037057.md), 2026-09-04, Service bulletin: ENGINE; POWER TRAIN. Information on Advanced Technical Information for E3.I/G2 V8 – Oil/Air Separator Membrane Failure
- [No. 2332.2](/bulletins/11033596.md), 2026-06-05, Service bulletin: POWER TRAIN. Instructions on advanced technical information for E3 Cayenne Auxiliary Hydraulic Pump for Transmission Oil
- [No. D780](/bulletins/11032387.md), 2026-05-07, Service bulletin: ENGINE; POWER TRAIN. Parts information for parts withdrawal involving the transmission oil. Part number 00004321012 is affected \- the vehicles that use this part number should be included.

JSON: [/v1/bulletins/10169765](/v1/bulletins/10169765)

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