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Service bulletin PIT5297

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 id10125955
Published by NHTSA2017-12-22
Manufacturer's numberPIT5297
Manufacturer's date2014-06-16
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that may have reduced air flow from the Heater-Vent-Air Conditioning dash vents. Technician may find B3933 sym 05 set in the Heater-Vent-Air Conditioning control head. Technician will need to reprogram the Heater-Vent-Air Conditioning control head using Service Programming System.

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, Heating and air conditioning

Vehicles listed
CADILLAC ESCALADE2007, 2008, 2009
CADILLAC ESCALADE ESV2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2007, 2008, 2009
CHEVROLET SILVERADO 15002007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2007, 2008, 2009
CHEVROLET TAHOE2007, 2008, 2009
GMC SIERRA 25002007, 2008 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2007, 2008, 2009
GMC YUKON DENALI2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2007 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2009 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2007, 2008, 2009
HUMMER H22008, 2009

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

Recalls for the same vehicles and component
18V2670002018-04-26. EQUIPMENT
20110742011-02-21. Heater And Defroster
20101892010-06-07. Accessories
09V4560002009-11-19. EQUIPMENT:APPLIANCE:AIR CONDITIONER
09V3250002009-08-03. EQUIPMENT ADAPTIVE/MOBILITY

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
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PI0648A2024-04-29. Service bulletin. Revised HVAC Blower Motor Installation Instructions.
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07-00-89-037S2024-03-19. Service bulletin. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
1406040052024-02-12. Service bulletin. Duramax® Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
PIP5601B2024-02-12. Service bulletin. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
18-NA-0992024-02-02. Service bulletin. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.