# Service bulletin TSB\-26131

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: 11032541
- Published by NHTSA: 2026\-05\-08
- Manufacturer's number: TSB\-26131
- Manufacturer's date: 2026\-04\-12
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

The gearbox fluid sensor may wear prematurely.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032541-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032541-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2025 to 2026 KOENIGSEGG CC850
- 2025 to 2026 KOENIGSEGG JESKO

## Other bulletins for the same vehicles and component

- [TSB26171](/bulletins/11033128.md), 2026-06-02, Service bulletin: ELECTRICAL SYSTEM. Update the sound profile in the Mosconi amplifier.
- [TSB\-26142](/bulletins/11032538.md), 2026-05-08, Service bulletin: ELECTRICAL SYSTEM. Power supply to the instrument cluster may become unstable in certain circumstances.
- [TSB\-26146](/bulletins/11032532.md), 2026-05-08, Service bulletin: ELECTRICAL SYSTEM. Electronic nodes may not be sealed according to our standard.
- [TSB\-25512\-01](/bulletins/11027961.md), 2026-02-02, Service bulletin: ELECTRICAL SYSTEM. Improve the lubrication of the LST Controller Seals

JSON: [/v1/bulletins/11032541](/v1/bulletins/11032541)

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