# Service bulletin No. 231\-24

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: 11015094
- Published by NHTSA: 2025\-03\-05
- Manufacturer's number: No. 231\-24
- Manufacturer's date: 2025\-01\-15
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Technical Information \- Flashing Function for Auxiliary Headlights Faulty / Fault Memory Entry "C11A401" in Control Unit for Headlight Bulb: Re\-Code Control Unit for Headlight Bulb \(231/24\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015094-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015094-9999.pdf)

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

## Components

Lighting

## Trouble codes named

C11A4

## Vehicles listed

- 2019 to 2023 PORSCHE CAYENNE

## Recalls for the same vehicles and component

- [2021192](/recalls/tc/2021192.md), 2021-03-31: Lights And Instruments
- [2019522](/recalls/tc/2019522.md), 2019-10-16: Lights And Instruments

## Other bulletins for the same vehicles and component

- [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. 2302.3](/bulletins/10249922.md), 2024-02-08, Service bulletin: EXTERIOR LIGHTING:TURN SIGNAL; ELECTRICAL SYSTEM. Instructions on advanced technical information for the front turn signal on the Cayenne
- [No. 2302.1](/bulletins/10235498.md), 2023-05-03, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS; VISIBILITY. Instructions on advanced technical information for the Cayenne \- auxiliary headlight incorrect operation
- [122\-K9M7R\-06](/bulletins/10188268.md), 2021-03-06, Service bulletin: ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Resubmitting at request of Mr. Bernard Hardgrave. Information on fogging lighting components.
- [No. 161\-18](/bulletins/10175903.md), 2020-06-02, Service bulletin: EXTERIOR LIGHTING. Instructions for assessing the condition of vehicle taillights for visual defects.
- [No. 64\-20](/bulletins/10175901.md), 2020-06-01, Service bulletin: EXTERIOR LIGHTING. Extended warranty information for the tail lights on MY18 and 19 Cayenne vehicles.
- [122\-U5W7U\-01](/bulletins/10153568.md), 2019-02-25, Service bulletin: EXTERIOR LIGHTING:TAIL LIGHTS. Tail Light Defective Warning in the Instrument Cluster
- [122\-J5Q5U\-01](/bulletins/10153556.md), 2019-02-25, Service bulletin: EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING. Subject: Tail light Information: Due to production errors, the tail lights can have visual defects. Thesemay be slight cracks at the edges \("shining line"\) or significant cracks.

JSON: [/v1/bulletins/11015094](/v1/bulletins/11015094)

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