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Service bulletin TSB26171

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 id11033128
Published by NHTSA2026-06-02
Manufacturer's numberTSB26171
Manufacturer's date2026-06-02
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Update the sound profile in the Mosconi amplifier.

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

Electrical system

Vehicles listed
KOENIGSEGG JESKO2025, 2026

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
TSB-261312026-05-08. Service bulletin. The gearbox fluid sensor may wear prematurely.
TSB-261422026-05-08. Service bulletin. Power supply to the instrument cluster may become unstable in certain circumstances.
TSB-261462026-05-08. Service bulletin. Electronic nodes may not be sealed according to our standard.
TSB-25512-012026-02-02. Service bulletin. Improve the lubrication of the LST Controller Seals