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Service bulletin SP381-048

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 id10125874
Published by NHTSA2017-12-15
Manufacturer's numberSP381-048
Manufacturer's date2017-11-15
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

On Certain Volvo Trucks with the I-Shift transmission and the secondary gauge pack with engine and transmission temperature gauges, the transmission temperature gauge may not function. This is due to a software issue.

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, Transmission and driveline

Vehicles listed
VOLVO VAH
VOLVO VHD
VOLVO VN

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