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Service bulletin 12-08-64-002

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 id10044852
Published by NHTSA2012-08-02
Manufacturer's number12-08-64-002
Manufacturer's date2012-09-01
ReplacesSB-12-08-64-003
NHTSA componentLATCHES/LOCKS/LINKAGES

NHTSA's summary

GENERAL MOTORS: REAR DOOR HANDLE, LATCH, LOCK INOPERATIVE, BINDING WILL NOT OPEN, WILL NOT RELEASE INTERMITTENTLY (PERFORM REPAIRS AS OUTLINED). THIS MAYBE CAUSED BY THE OUTSIDE DOOR HANDLE ROD CONTACTING THE DOOR UNDER CERTAIN CONDITIONS, CAUSING A BIND CONDITION. *JS MODEL 2006-11 HHR. UPDATED 11/28/12. *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

Latches and locks

Vehicles listed
CADILLAC ESCALADE2007, 2008, 2009, 2010, 2011
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011, 2012
GMC YUKON2007, 2008, 2009, 2010, 2011, 2012
GMC YUKON DENALI2007, 2008, 2009, 2010, 2011, 2012 (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
PI0011C2018-06-04. Service bulletin. This preliminary informational bulletin provides a revision for PI0011C to add the 2013-2014 model years and update Warranty Information.
07-08-50-022C2018-05-29. Service bulletin. This technical bulletin provides a procedure to shim the second row seat to correct the customers concern of a rattle, hard to latch or unlatch, and/or power relaese fold and tumble not fully functioning.
PIT3189R2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. On 2010 to 2014 model years technician will need to contact Techline Customer Support for calibrations.
PI-0011A2011-06-15. Service bulletin. GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. ALL 2014 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB
PIT-4846A2009-09-02. Service bulletin. CADILLAC/CHEVROLET/GMC: LOCATIONS OF HIGH SPEED GMLAN WIRING CONCERNS. GAUGES INOPERATIVE, NO CRANK, HARSH TRANSMISSION SHIFTING, NO TRANSMISSION SHIFTING, DOOR LOCKS CYCLING AND INDICATORS ON. *PE UPDATED 11/17/10. *PE
PIT-4696A2008-12-04. Service bulletin. GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH TURN TOW UNLOCK UNWANTED WINDOW. MAY BE DUE TO INTERNAL BCM DAMAGE. *PE
SB-08-07-30-0212008-08-28. Service bulletin. LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS CONNECTOR). VEHICLES WITH 6 SPEED 6L80 (RPO MYC), 6L90 (RPO MYD) OR HYBRID TWO MODE 2M70 AUTOMATIC. INCLUDING 2008 TAHOE AND YUKON HYBRID MODELS. *PE UPDATED 3/28/11. INCLUDING SIERRA, SILVERADO AND ESCALADE HYBRIDS. *PE
08-07-30-0212008-08-07. Service bulletin. LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, 70140 (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS CONNECTOR). *PE
45122007-12-13. Service bulletin. OUTSIDE DOOR HANDLE LOOSE, INOPERATIVE OR DOES NOT RETRACT. *NJ
31892004-12-15. Service bulletin. UNABLE TO DISABLE AUTO DOOR LOCKS. THIS INCLUDES 05 CHEVROLET GMC CADILLAC FULL SIZE TRUCKS AND UTILITIES. *EH ALSO INCLUDES AVALANCE, SILVERADO SUBURBAN TAHOE; GMC SIERRA, YUKON, DENALI, YUKON XL, DENALI XL. UPDATED 8/26/08. *PE UPDATED 5/9/11. *PE