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Service bulletin PIE-0222

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 id10045940
Published by NHTSA2012-09-24
Manufacturer's numberPIE-0222
Manufacturer's date2012-09-01
ReplacesPIE-0222-A
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

GMC/CADILLAC/CHEVROLET: NO AIR IS FLOWING THROUGH HVAC VENTS BECAUSE OF AN INOPERATIVE BLOWER MOTOR. THE SITUATION IS INTERMITTENT. MODELS 2011-12 CADILLAC-ESCALADE, ESCALADE ESV & EXT; GMC-SIERRA, YUKON & XL, YUKON DENALI & XL DENALI; CHEVROLET-TAHOE, SUBURBAN, AVALANCHE & SILVERADO. *PE UPDATED 9/26/12. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories, Heating and air conditioning

Vehicles listed
CADILLAC ESCALADE2011
CADILLAC ESCALADE ESV2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE2011, 2012
CHEVROLET SILVERADO2011, 2012
CHEVROLET SUBURBAN2011, 2012
CHEVROLET TAHOE2011, 2012
GMC SIERRA2011, 2012
GMC YUKON2011, 2012
GMC YUKON DENALI2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2011
GMC YUKON XL2012 (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.

Recalls for the same vehicles and component
18V2670002018-04-26. EQUIPMENT

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
PI0488C2024-05-06. Service bulletin. Diagnostic Information for Transmission.
PI0718B2024-04-29. Service bulletin. Audio System Speaker Rattle, Buzz Noise, Poor Sound
PI0695A2024-04-29. Service bulletin. Diagnosis and Repair HVAC Blower Function.
PI0689B2024-04-29. Service bulletin. Tool or Utility Box Sagging, Mis-aligned.
PI0688F2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688E2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688D2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0657A2024-04-29. Service bulletin. Liftgate Paint Damage Evident at Lower Outer Edge of Applique.
20-NA-1322024-04-23. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-0522024-04-23. Service bulletin. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.