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Service bulletin PIC6234A

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 id10147356
Published by NHTSA2018-11-13
Manufacturer's numberPIC6234A
Manufacturer's date2018-10-08
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER; SERVICE BRAKES

NHTSA's summary

This Preliminary Information communication advises the technician that Electronic Brake Control Module, Brake Pressure Modulator Valve, Power Brake Master Cylinder Booster Assembly and the Master Cylinder for the Chevrolet Bolt EV will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.

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

Brakes, Brake master cylinder

Vehicles listed
CHEVROLET BOLT EV2017

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