# Service bulletin No. 28\-25

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: 11027137
- Published by NHTSA: 2026\-01\-06
- Manufacturer's number: No. 28\-25
- Manufacturer's date: 2025\-12\-05
- NHTSA component: WHEELS

## NHTSA's summary

Manufacturers certificate for approved wheels and tires

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027137-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027137-9999.pdf)

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

## Components

Wheels

## Vehicles listed

- 2024 to 2026 PORSCHE CAYENNE
- 2024 to 2026 PORSCHE CAYENNE COUPE
- 2024 to 2026 PORSCHE CAYENNE E\-HYBRID
- 2024 to 2025 PORSCHE CAYENNE E\-HYBRID COUPE
- 2024 PORSCHE CAYENNE GTS
- 2024 PORSCHE CAYENNE S
- 2024 PORSCHE CAYENNE S COUPE
- 2024 PORSCHE CAYENNE TURBO E\-HYBRID
- 2024 PORSCHE CAYENNE TURBO GT

## Other bulletins for the same vehicles and component

- [SPTL2609](/bulletins/11037868.md), 2026-10-02, Service bulletin: WHEELS; STEERING; SUSPENSION. Special Tools and Equipment Information for alignment machines \- Q3 2026 Software Spec Update Available
- [No. 2605\-1](/bulletins/11037087.md), 2026-09-04, Service bulletin: STEERING; SUSPENSION; WHEELS. Information for Advanced Technical Information on E3PA, G3 Pressure Sensor for Leveling System \- Implausible Signal
- [SPTL2608](/bulletins/11037083.md), 2026-09-04, Service bulletin: WHEELS; SUSPENSION; STEERING. Special Tools and Equipment Information for alignment machines \- Q2 2026 Software Spec Update Available
- [40/26 4407](/bulletins/11034784.md), 2026-07-07, Service bulletin: WHEELS. Wheel Bolt Replacement Requirement \- Change from Wheel Bolts with Aluminum Washers to Wheel Bolts with Steel Washers \(40/26\)
- [09/26 4400](/bulletins/11034760.md), 2026-07-07, Service bulletin: WHEELS. Approved: Wheels and Tires \(09/26\)
- [No. D774](/bulletins/11030878.md), 2026-04-07, Service bulletin: WHEELS. Parts information for Parts Withdrawal \- Pressure Sensor \(9A790605201\) The cars affected are ones that use the part number mentioned.
- [No. D771](/bulletins/11030850.md), 2026-04-06, Service bulletin: WHEELS. Parts information for Parts Withdrawal \- Hub Cap. Part numbers involved are 9Y0601149F, 9Y0601149G, 9Y0601149H, 9Y0601149J, 9Y0601149L, and 9Y0601149M. The vehicles affected are ones that use the part numbers mentioned.
- [No. GR6D9](/bulletins/11025063.md), 2025-11-05, Service bulletin: WHEELS. Parts information for the thatcham wheel lock information. Since model year 2015, nearly all new vehicles \(SUV's may have Thatcham or previous style wheel lock\) come equipped with Thatcham\-style wheel locks from the factory. Each vehicle equipped with Thatcham\-style wheel locks uses a unique key. The vehicles affected are cars that use this wheel lock
- [No. 28\-25](/bulletins/11021634.md), 2025-08-06, Service bulletin: WHEELS. Manufacturers certificate for approved wheels and tires on the Cayenne \- MY24\-26
- [No. 2504](/bulletins/11015197.md), 2025-03-06, Service bulletin: WHEELS; ELECTRICAL SYSTEM. Advanced Technical Information \- E3.II Cayenne – All\-Wheel Drive Warning in the Instrument Cluster

JSON: [/v1/bulletins/11027137](/v1/bulletins/11027137)

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