Service bulletin PIT-3749D

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)
Type	Service bulletin
NHTSA id	10037570
Published by NHTSA	2011-05-26
Manufacturer's number	PIT-3749D
Manufacturer's date	2012-04-01
Replaces	PIT-3749E
NHTSA component	STRUCTURE:FRAME AND MEMBERS

NHTSA's summary

GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION. *RM UPDATED ON 5/2/2012. *KB

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

Body and frame

Vehicles listed
CADILLAC CADILLAC TRUCK	2003
CADILLAC CATERA	2003
CADILLAC CTS	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
CADILLAC DEVILLE	2003, 2004, 2005
CADILLAC DTS	2004 to 2005
CADILLAC DTS	2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ESCALADE	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
CADILLAC ESCALADE ESV	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE HYBRID	2009 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SEVILLE	2003, 2004
CADILLAC SLS	2004
CADILLAC SRX	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
CADILLAC STS	2003 to 2004
CADILLAC STS	2005, 2006, 2007, 2008, 2009, 2010, 2011
CADILLAC V-SERIES	2004 to 2008
CADILLAC XLR	2005, 2006, 2007, 2008, 2009
CHEVROLET ASTRO	2004
CHEVROLET AVALANCHE	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
CHEVROLET AVALANCHE 1500	2003, 2004, 2005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 1500	2010 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 2500	2003, 2004, 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVEO	2004, 2005, 2006, 2007, 2008
CHEVROLET AVEO	2010
CHEVROLET BLAZER	2003, 2004, 2005
CHEVROLET BLAZER	2006
CHEVROLET BLAZER	2008 to 2009
CHEVROLET C4500	2003
CHEVROLET C4500 NA	2008
CHEVROLET C5500	2003
CHEVROLET C5500	2008
CHEVROLET CAMARO	2011
CHEVROLET CAPTIVA	2008
CHEVROLET CAPTIVA SPORT	2009
CHEVROLET CAVALIER	2003, 2004
CHEVROLET CHEVROLET
CHEVROLET CHEVROLET TRUCK
CHEVROLET CHEVROLET TRUCK	2003
CHEVROLET CHEVY VAN	2003
CHEVROLET CLASSIC	2004 to 2005
CHEVROLET COBALT	2005, 2006, 2007, 2008, 2009, 2010
CHEVROLET COBALT	2011
CHEVROLET COLORADO	2004
CHEVROLET COLORADO	2007, 2008
CHEVROLET COLORADO	2010, 2011
CHEVROLET CONVENTIONAL	2003
CHEVROLET CORVETTE	2003, 2004, 2005, 2006, 2007, 2008
CHEVROLET CORVETTE	2011
CHEVROLET CORVETTE Z06	2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE ZR1	2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CRUZE	2011
CHEVROLET DENALI	2004 to 2006
CHEVROLET EPICA	2005
CHEVROLET EQUINOX	2005, 2006, 2007, 2008, 2009, 2010
CHEVROLET EXPRESS	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
CHEVROLET EXPRESS 1500	2003 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 1500	2005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 1500	2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 2500	2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 2500	2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 3500	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET G SERIES	2003
CHEVROLET G1500	2003
CHEVROLET G1500	2007
CHEVROLET G2500	2003 to 2005
CHEVROLET G3500	2003 to 2005
CHEVROLET HHR	2006, 2007, 2008, 2009, 2010, 2011
CHEVROLET IMPALA	2003, 2004, 2005
CHEVROLET IMPALA	2007, 2008
CHEVROLET IMPALA	2010, 2011
CHEVROLET INCOMPLETE/CUTAWAY C3	2003 to 2005
CHEVROLET KODIAK	2003 to 2004
CHEVROLET MALIBU	2003, 2004
CHEVROLET MALIBU	2006, 2007, 2008
CHEVROLET MALIBU	2010, 2011
CHEVROLET MALIBU CLASSIC	2004, 2005
CHEVROLET MALIBU CLASSIC	2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MALIBU HYBRID	2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MALIBU MAXX	2004, 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MONTE CARLO	2003
CHEVROLET MONTE CARLO	2005, 2006, 2007
CHEVROLET MONTE CARLO	2008
CHEVROLET OPTRA	2005, 2006
CHEVROLET S/T BLAZER	2003 to 2005
CHEVROLET S10	2003 to 2007
CHEVROLET SIERRA	2003
CHEVROLET SILVERADO	2003, 2004, 2005, 2006
CHEVROLET SILVERADO	2008
CHEVROLET SILVERADO	2010, 2011
CHEVROLET SILVERADO 1500	2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500	2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500	2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500 HD	2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 2500	2003, 2004, 2005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 2500	2010 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO CLASSIC	2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO HYBRID	2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SSR	2003
CHEVROLET SSR	2005
CHEVROLET SSR	2007
CHEVROLET SUBURBAN	2003, 2004, 2005, 2006, 2007, 2008
CHEVROLET SUBURBAN 1500	2003, 2004, 2005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 1500	2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 2500	2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 2500	2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE	2003, 2004
CHEVROLET TAHOE	2006, 2007, 2008, 2009
CHEVROLET TAHOE	2011
CHEVROLET TAHOE HYBRID	2009 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRACKER	2003, 2004
CHEVROLET TRAILBLAZER	2004, 2005, 2006
CHEVROLET TRAILBLAZER	2008, 2009
CHEVROLET TRAILBLAZER 360	2003, 2004, 2005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER EXT	2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER EXT	2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER EXT 370	2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAVERSE	2011
CHEVROLET UPLANDER	2005, 2006, 2007, 2008, 2009
CHEVROLET VENTURE	2003, 2004, 2005
CHEVROLET VOLT	2011
GMC ACADIA	2007, 2008, 2009, 2010, 2011
GMC C/K SERIES	2003
GMC C4500	2003
GMC C4500	2008
GMC C5500	2006
GMC C5500	2008
GMC CANYON	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
GMC CONVENTIONAL	2003
GMC DENALI	2003
GMC ENVOY	2003, 2004
GMC ENVOY	2007, 2008, 2009
GMC ENVOY 360	2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY 360	2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY DENALI	2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY DENALI XL	2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XL	2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XL	2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XL 370	2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XUV	2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC EXPRESS	2009
GMC G SERIES	2003
GMC G1500	2003 to 2008
GMC G2500	2003 to 2004
GMC G3500	2003 to 2005
GMC GMC TRUCK	2003
GMC INCOMPLETE/CUTAWAY C3	2003 to 2004
GMC JIMMY	2003 to 2004
GMC JIMMY CLASSIC	2005
GMC L SERIES	2003
GMC S UTILITY	2003
GMC SAFARI	2003, 2004, 2005
GMC SAFARI (GMC)	2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC SANANA	2010
GMC SAVANA	2003
GMC SAVANA	2008, 2009, 2010, 2011
GMC SAVANA 1500	2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 1500	2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 1500	2011 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 2500	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 3500	2003, 2004, 2005, 2006, 2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA	2003
GMC SIERRA	2005
GMC SIERRA	2007, 2008, 2009, 2010, 2011
GMC SIERRA 1500	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 1500 HD	2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 3500	2003, 2004, 2005, 2006, 2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 3500	2011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA CLASSIC	2003 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA CLASSIC	2006 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI	2008, 2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA HYBRID	2009 (the catalog's model; the bulletin names a series or trim of it)
GMC SILVERADO	2003 to 2007
GMC SONOMA	2003, 2004
GMC SONOMA	2005 to 2006
GMC SONOMA CREW	2003 (the catalog's model; the bulletin names a series or trim of it)
GMC SUBURBAN	2003 to 2004
GMC TAHOE	2003
GMC TERRAIN	2011
GMC TOPKICK	2003 to 2005
GMC W-SERIES	2003 to 2004
GMC W3500	2003 to 2005
GMC W4500	2003 to 2005
GMC W5500	2005
GMC YUKON	2003, 2004, 2005, 2006
GMC YUKON	2008, 2009, 2010, 2011
GMC YUKON DENALI	2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI	2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL	2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL	2008 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL	2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON HYBRID	2008 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL	2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC YUKON XL 1500	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL 2500	2003, 2004, 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL 2500	2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)

And 8 more lines, in the JSON.

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

Recalls for the same vehicles and component
11V491000	2011-10-03. STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS
09V491000	2009-12-23. STRUCTURE:BODY:ROOF AND PILLARS
06V181000	2006-05-24. STRUCTURE:BODY:ROOF AND PILLARS
04V129000	2004-03-17. STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS
03V094000	2003-03-07. STRUCTURE
03V037000	2003-02-06. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

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
19-NA-255	2025-04-10. 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).
21-NA-043	2024-12-10. 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-255	2024-11-15. 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-219	2024-11-05. Service bulletin. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
PI0564F	2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0564E	2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0564D	2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0564C	2024-05-06. Service bulletin. Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting.
PI0437A	2024-05-06. Service bulletin. Appearance of Discoloration or Corrosion Near Edges.
PI0397A	2024-05-06. Service bulletin. Water Leak in Rear Compartment/Trunk ? Convertible.