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Service bulletin PIT4937B

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 id10112540
Published by NHTSA2017-08-15
Manufacturer's numberPIT4937B
Manufacturer's date2012-11-05
NHTSA componentSTRUCTURE:BODY:HATCHBACK/LIFTGATE; STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that the rear power lift-gate is inoperative with the inside switch and the outside door handle. Dealer should advise the customer to press the unlock button on the door panel and the lift-gate will work.

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

Body and frame

Vehicles listed
CADILLAC ESCALADE2009, 2010, 2011, 2012, 2013
CADILLAC ESCALADE ESV2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2009, 2010, 2011, 2012, 2013
CHEVROLET TAHOE2009, 2010, 2011, 2012, 2013
GMC YUKON2009, 2010, 2011, 2012, 2013
GMC YUKON DENALI2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2009, 2010, 2011
GMC YUKON XL2012, 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
19-NA-2552025-04-10. Service bulletin. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
21-NA-0432024-12-10. 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.
19-NA-2552024-11-15. Service bulletin. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
23-NA-2192024-11-05. Service bulletin. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
PI0564F2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0564E2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0564D2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0564C2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0657A2024-04-29. Service bulletin. Liftgate Paint Damage Evident at Lower Outer Edge of Applique.