Service bulletin S39839-2017-05-0

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.

NHTSA's summary

Volvo Car USA LLC and Volvo Car of Canada Ltd (Volvo) on behalf of Volvo Car Corporation, has decided to launch Service Campaign S39839 on certain model year 2016 - 2017 XC90 T8 vehicles. Volvo has identified that if the Inverter Generator Module (IGM) is exposed to high temperatures and vibration, a Diagnostic Trouble Code (DTC) may be set indicating an internal isolation fault that will render the IGM inoperable. If this condition occurs while driving, the gasoline engine will start if it is not already running, and the driver will receive a warning message in the Driver Information Module (DIM). The corrective action is to replace the IGM.

The document

• NHTSA's copy of the document (PDF)
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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, Hybrid and electric drive

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

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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