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Service bulletin S39788

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 id10205637
Published by NHTSA2021-12-27
Manufacturer's numberS39788
Manufacturer's date2016-03-08
NHTSA componentELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM):SOFTWARE

NHTSA's summary

BECM Software upgrade

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, Hybrid and electric drive, High-voltage battery

Vehicles listed
VOLVO XC90H2016 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
35924.1.42024-03-04. Service bulletin. This is a Technical Journal: VIDA Main battery diagnostic - Prompted to charge battery a second time. Use had held tester.
36376.4.02024-03-04. Service bulletin. This is a Technical Journal: SR PHEV Cell Module Replacement. Updated BECM software was released
TJ34567 1 1 20192019-09-16. Service bulletin. This is a Technical Journal: DTC SRS-B15381B High Voltage battery loop control. The resistance of the circuit can be monitored using the SRS parameter "High voltage battery power supply disconnect"
SMB31 010 2019-02019-09-16. Service bulletin. This is a Service Manager Bulletin: High Voltage (HV) Battery Charger Tool loan Process