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Service bulletin PIC6173B

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 id10144461
Published by NHTSA2018-09-17
Manufacturer's numberPIC6173B
Manufacturer's date2018-08-17
NHTSA componentEQUIPMENT; SERVICE BRAKES

NHTSA's summary

This Preliminary Information communication advises the technician effective February 19, 2016, the following brake components for the Chevrolet Volt and the Chevrolet Malibu Hybrid are being placed on restriction through the Technical Assistance Center. The Brake Master Cylinder, Brake Booster & Control Module, Brake Modulation Valve, and Electronic Brake Control Module are now on parts restriction. Dealer will need to call General Motors Technical Assistance Center for further assistance. Restriction has ended as of 08/15/18

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, Equipment and accessories

Vehicles listed
CHEVROLET MALIBU2016
CHEVROLET VOLT2016, 2017

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

Recalls for the same vehicles and component
20161992016-05-05. Brakes

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

Other bulletins for the same vehicles and component
25-NA-0652025-04-24. Service bulletin. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
21-NA-0432024-12-10. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
21-NA-2682024-07-16. Service bulletin. This service bulletin provides diagnostic/repair information to correct customer concerns of a Crank No Start or Extended Crank, Malfunction Indicator Lamp (MIL) Illuminated or Possible Increased Brake Pedal Effort.
22-NA-2442024-05-30. Warranty extension. This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
20-NA-1322024-04-23. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-0522024-04-23. Service bulletin. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
PIP5596A2024-04-15. Service bulletin. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5401E2024-04-01. Service bulletin. Radio Inoperative with No Communication and DTC U0184