# Service bulletin No. 115\-21

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: 10207247
- Published by NHTSA: 2022\-02\-04
- Manufacturer's number: No. 115\-21
- Manufacturer's date: 2022\-01\-18
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

## NHTSA's summary

Technical information WME9 \- re\-programing PDK control unit.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207247-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207247-9999.pdf)

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

## Components

Electrical system, Engine

## Vehicles listed

- 2021 PORSCHE 911

## Other bulletins for the same vehicles and component

- [No. 91\-26](/bulletins/11037847.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Technical Information for Particles/Metal Chips/Residues in Engine Oil
- [No. 32\-26](/bulletins/11037826.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of approved Porsche C40 GT engine oils
- [No. 31\-26](/bulletins/11037825.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- [No. 30\-26](/bulletins/11037822.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C20 Engine Oils
- [No. 29\-26](/bulletins/11037818.md), 2026-10-02, Service bulletin: ENGINE; POWER TRAIN. Manufacturer's Certificate for Overview of Approved Porsche C30 Engine Oils
- [No. 86\-26](/bulletins/11037805.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer \(PCM\)
- [No. 36\-26](/bulletins/11037801.md), 2026-10-02, Service bulletin: POWER TRAIN; ENGINE. Manufacturer's Certificate for Overview of Approved Porsche C40 Engine Oils
- [No. 12\-26](/bulletins/11037795.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
- [No. 43\-26](/bulletins/11037785.md), 2026-10-02, Warranty extension: VISIBILITY/WIPER; ELECTRICAL SYSTEM. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View \(RTV\) issues
- [No. 2109\-3](/bulletins/11037058.md), 2026-09-04, Service bulletin: ELECTRICAL SYSTEM. Information on Advanced Technical Information for Critical 12V Li\-ion Battery Recycling

JSON: [/v1/bulletins/10207247](/v1/bulletins/10207247)

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