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Service bulletin PIC5520H

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 id10246941
Published by NHTSA2023-12-11
Manufacturer's numberPIC5520H
Manufacturer's date2013-05-01
NHTSA componentELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT; ELECTRICAL SYSTEM

NHTSA's summary

eAssist Generator Control And Battery Module Exchange Process And Order Instructions.

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
BUICK LACROSSE2012, 2013
BUICK REGAL2012, 2013
CHEVROLET MALIBU2013

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
PIC5520G2017-08-15. Service bulletin. This Preliminary Information communication advises the technician that the Drive Motor Generator Battery Module and Drive Motor Generator Battery Sections for the 2012 - 2013 Buick LaCrosse, Buick Regal, and 2012 - 2013 Chevrolet Malibu ECO with eAssist are being placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.