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Service bulletin PIC6071

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 id10139300
Published by NHTSA2018-06-04
Manufacturer's numberPIC6071
Manufacturer's date2015-03-02
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

NHTSA's summary

This Preliminary Information communication provides information to the technician about when using the Rear Defogger the upper region of the rear window does not clear. Advise the customer this is normal operation the top grid lines on the glass are antenna lines and will not heat the glass.

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

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
CHEVROLET IMPALA2014, 2015

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
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.
PI0754G2024-08-17. Service bulletin. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic.
PIE0279A2024-04-08. Service bulletin. Engineering Information.
PIE02792024-04-08. Service bulletin. Engineering Information.
PIE02722024-04-08. Service bulletin. Engineering Information.
990139004E2024-02-12. Service bulletin. Air Conditioning Odor
PIT5099G2023-12-26. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.
15655a2023-12-18. Service bulletin. Rear View Mirror Bracket Detachment from Windshield
156552023-12-18. Service bulletin. Rear View Mirror Bracket Detachment from Windshield
PIT5099A2023-12-11. Service bulletin. A/C Blows Warm Or Poor Performance.