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Service bulletin PI1428

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 id10135376
Published by NHTSA2018-05-07
Manufacturer's numberPI1428
Manufacturer's date2015-03-04
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

This preliminary informational bulletin provides diagnostic and repair information for a customer concern of intermittently HVAC blows only cold air with vehicle at operating temperatures.

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

Equipment and accessories, Heating and air conditioning

Vehicles listed
BUICK VERANO2014, 2015
CHEVROLET CRUZE2014, 2015
CHEVROLET MALIBU2014, 2015

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

Recalls for the same vehicles and component
20142742014-07-03. Accessories
14V4170002014-07-02. EQUIPMENT:ELECTRICAL
20134022013-11-13. Heater And Defroster
13V5670002013-11-13. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

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
PI0572B2024-05-06. Service bulletin. Information on COAX Repair Kit Availability.
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PIP51322024-04-22. Service bulletin. Diesel Oxidation Converter Particulate Filter Part Restriction.
PIP51282024-04-22. Service bulletin. NOX Catalytic Converter.
PIE02972024-04-15. Service bulletin. Engineering Information
PIE0284A2024-04-08. Service bulletin. Engineering Information.
PIE02842024-04-08. Service bulletin. Engineering Information.
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT53542024-04-01. Service bulletin. Identifying If A Vehicle Is Equipped With OnStar 4G LTE Wi-Fi.