# Service bulletin No. D4a

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: 10248176
- Published by NHTSA: 2024\-01\-03
- Manufacturer's number: No. D4a
- Manufacturer's date: 2023\-12\-07
- NHTSA component: UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)

## NHTSA's summary

Product knowledge for the evolution of Porsche

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248176-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10248176-9999.pdf)

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

## Components

Engine, Engine control module

## Vehicles listed

- PORSCHE PORSCHE

JSON: [/v1/bulletins/10248176](/v1/bulletins/10248176)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20No.%20D4a&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10248176&vehicle=Service%20bulletin%20No.%20D4a)