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Over-the-air update RD26-1 202604

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)
TypeOver-the-air update
NHTSA id11032083
Published by NHTSA2026-05-04
Manufacturer's numberRD26-1 202604
Manufacturer's date2026-04-24
NHTSA componentPOWER TRAIN

NHTSA's summary

RD - Over the Air Transmission Oil Level Sensor.

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
VOLVO VNL (4)2023 to 2027
VOLVO VNR (4)2025 to 2027

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