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Service bulletin PIT4228E

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 id10112491
Published by NHTSA2017-08-15
Manufacturer's numberPIT4228E
Manufacturer's date2012-10-17
NHTSA componentVISIBILITY:POWER WINDOW DEVICES AND CONTROLS; EQUIPMENT:ELECTRICAL

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have passenger window express down feature is inoperative. Technician should be advised that models equipped with either Memory Seats Regular Production Option Code (AN3) and/or Power Folding Mirrors Regular Production Option Code (DL3) will have the passenger window express down feature. Dealer should advised the customer if the vehicle does not have one of the Regular Production Option Codes AN3 and or DL3, this is a normal operating characteristic.

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, Glass, wipers and mirrors, Power windows

Vehicles listed
CHEVROLET SILVERADO2007, 2008, 2009, 2010, 2011, 2012, 2013
GMC SIERRA2007, 2008, 2009, 2010, 2011, 2012, 2013
GMC SIERRA DENALI2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)

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
PIT51982023-12-11. Service bulletin. Power Door Locks and/or Windows Inoperative.
16NA0752018-06-04. Service bulletin. This Bulletin provides procedures to correct a condition of Power Foldaway Mirror Glass Shake, Flutter at Normal Driving Speeds
PIT51982017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that power door locks and/or windows may be inoperative. Technician will need to use the Gray Diagnostic Test Probe J-35616-2A and test each of the terminals for proper tension at connectors on X500, X501, and X600.
PIT51892017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have windows inoperative while the engine is running but work when the engine is off. Technician should look for aftermarket parts and remove them and retest the windows before any in depth diagnostics are performed.
PIT4228D2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have passenger window express down feature is inoperative. Technician should be advised that models equipped with either Memory Seats Regular Production Option Code (AN3) and/or Power Folding Mirrors Regular Production Option Code (DL3) will have the passenger window express down feature. Dealer should advised the customer if the vehicle does not have one of the Regular Production Option Codes AN3 and or DL3, this is a normal operating characteristic.
PIT-51982013-04-15. Service bulletin. GMC/CHEVROLET: POOR TERMINAL TENSION AT CONNECTORS X500 (1), X501(2), X600(3) CAUSED POWER DOOR LOCKS AND/OR WINDOWS TO FAIL TO OPERATE PROPERLY. MODELS 2013 SILVERADO, SIERRA. *PE
37132007-02-22. Service bulletin. DOOR GLASS POPS OUT OF RUN CHANNEL. *KB