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Service bulletin PIC4468C

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 id10112579
Published by NHTSA2017-08-15
Manufacturer's numberPIC4468C
Manufacturer's date2012-11-15
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that the rear defogger stays on for longer than 20 minutes. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.

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 IMPALA2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET MONTE CARLO2006, 2007

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.
PI0767B2024-04-29. Service bulletin. Erratic or Insufficient Cooling when A/C Compressor is On
PI0767A2024-04-29. Service bulletin. Erratic or Insufficient Cooling when A/C Compressor is On
PI0754A2024-04-29. Service bulletin. Rear and Side Tempered Glass Spots.
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.
PIT5099A2023-12-11. Service bulletin. A/C Blows Warm Or Poor Performance.
PIC5716B2023-12-11. Service bulletin. Ambient Temperature Sensor Reads High on HVAC Data Lists.
PIC5716A2023-12-11. Service bulletin. Ambient Temperature Sensor Reads High on HVAC Data Lists.
130089004H2023-12-11. Service bulletin. Car and Truck Fix it Right the First Time Issues