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Service bulletin 4512

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 id10023474
Published by NHTSA2007-12-13
Manufacturer's number4512
Manufacturer's date2007-12-13
NHTSA componentLATCHES/LOCKS/LINKAGES:DOORS:LATCH

NHTSA's summary

OUTSIDE DOOR HANDLE LOOSE, INOPERATIVE OR DOES NOT RETRACT. *NJ

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, Door latch

Vehicles listed
CADILLAC ESCALADE2007, 2008
CHEVROLET AVALANCHE 15002007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002007 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO2007
CHEVROLET SILVERADO 15002008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002007, 2008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 25002008 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2007, 2008
GMC SIERRA2008
GMC SIERRA 15002007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002007 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2007, 2008

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.
PIT4560G2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Technician will need to contact Techline Customer Support Center to obtain calibrations if adding Remote Keyless entry.
PIT4560H2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that unable to program the key fobs to the vehicle. Technician will need to contact Techline Customer Support Center to obtain calibrations if adding Remote Keyless entry.
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
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