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Service bulletin CBR-343 202408

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 id11006949
Published by NHTSA2024-09-04
Manufacturer's numberCBR-343 202408
Manufacturer's date2024-08-28
NHTSA componentPOWER TRAIN

NHTSA's summary

CBR: On Volvo chassis with an I-Shift and Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.

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 VAH2011 to 2025
VOLVO VHD2008 to 2025
VOLVO VN2008 to 2025
VOLVO VT2008 to 2010

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