# Service bulletin L74X\-A.05.26

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: 11029722
- Published by NHTSA: 2026\-03\-05
- Manufacturer's number: L74X\-A.05.26
- Manufacturer's date: 2026\-02\-19
- Campaign id or software version: L74X\-A.05.26
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

CarPlay connection improvements for the infotainment system; Diagnostic improvements for DTCs without P code information for the OBC; Improved management and performance optimization of the DC DC converter

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029722-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029722-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2024 LAMBORGHINI REVUELTO

JSON: [/v1/bulletins/11029722](/v1/bulletins/11029722)

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