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Service bulletin L634- A.12.26

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11033110
Published by NHTSA2026-06-02
Manufacturer's numberL634- A.12.26
Manufacturer's date2026-05-05
Campaign id or software versionL634- A.12.26
NHTSA componentPOWER TRAIN

NHTSA's summary

Some gearboxes may have been assembled without an air vent grille, this item prevents the ingress of dirt and other debris. The operation requires verification and possible remounting of the P1 air vent grille.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Vehicles listed
LAMBORGHINI TEMERARIO2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
L634-A.04.262026-02-06. Service bulletin. Service for the verification of the E-Gear Paddles resistance to ensure smooth performance while shifting.