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Service bulletin L73X-A.04.17

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 id10109892
Published by NHTSA2017-08-03
Manufacturer's numberL73X-A.04.17
Manufacturer's date2017-05-19
NHTSA componentEQUIPMENT; STRUCTURE:BODY:BUMPERS

NHTSA's summary

As a result of continuous product monitoring, Auto-mobili Lamborghini Spa introduced on Aventador SV two air deflectors under the front bumper to enhance the underbody aerodynamic.

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

Body and frame, Equipment and accessories

Vehicles listed
LAMBORGHINI AVENTADOR2015, 2016, 2017
LAMBORGHINI AVENTADOR ROADSTER2015, 2016 (the catalog's model; the bulletin names a series or trim of it)

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
Technical Doc2021-06-14. Service bulletin. R: technical doc/ tranche 2
L735A01152021-05-03. Service bulletin. Headliner bonding.
BI.20.192020-06-15. Service bulletin. Information for the field with regard to the availability of a new version of AMI cable that is to be used in case a replacement is necessary.
L73X-T-08-192019-08-19. Service bulletin. As a result of a continuous product monitoring, Automo-bili Lamborghini Spa has detected that in some cases the cold junctions for thermocouples could detect an incorrect catalyst temperature due to the actual mounting position.
L73X-A.07.192019-07-15. Service bulletin. Automobili Lamborghini Spa has detected that in some cases the cold junctions for thermocouples could detect an incorrect catalyst temperature due to the actual mounting position.
L73X-A.06.192019-07-15. Service bulletin. Automobili Lamborghini SpA has encountered a mistake on the emergency procedure for opening the fuel flap actuator on the owner?s Handbook, therefore apply the label for the correction.
L73X-A.01.192019-07-15. Service bulletin. Automobili Lamborghini Spa requests that the ION ECU wiring retainer bracket be replaced along with its partial repositioning in order to avoid interference and damage the harness.
L73X-A.06.182018-11-13. Service bulletin. Automobili Lamborghini Spa has introduced a new relay for e-gear pump.
TPI_LB73X.02.182018-11-13. Service bulletin. Information bulletin for the correct assembly of anti-noise felts on Lamborghini Aventador.
L73X-A.03.182018-11-13. Service bulletin. Automobili Lamborghini Spa introduced a new O-rings of increased hardness and a hole on the hubcaps to prevent accidental loss of the hubcaps.