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Service bulletin 3812

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 id10018920
Published by NHTSA2006-01-25
Manufacturer's number3812
Replaces3812A
NHTSA componentLATCHES/LOCKS/LINKAGES:DOORS:LATCH

NHTSA's summary

DOOR LOCKS ACTUATORS CYCLE AND INTERIOR LIGHT TURNS ON AND OFF AT RANDOM. *TT

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
BUICK LACROSSE2006
BUICK LUCERNE2006
CADILLAC CTS2006
CADILLAC SRX2006
CADILLAC STS2006
CHEVROLET EQUINOX2006
CHEVROLET IMPALA (GMX 211)2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MALIBU2006
HUMMER H22006
PONTIAC G62006
PONTIAC GRAND PRIX2006
PONTIAC TORRENT2006

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
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
PIC-50832009-12-02. Service bulletin. CADILLAC: FRONT DOORS MAY NOT OPEN OR CLOSE DURING COLD WEATHER. ONE OR BOTH FRONT DOORS MAY NOT OPEN USING THE OUTSIDE RELEASE HANDLE IN SUBFREEZING TEMPERATURES. THE DOOR CAN ALWAYS BE OPENED USING THE INSIDE RELEASE HANDLE. ONE OR BOTH FRONT DOORS MAY OPEN, BUT THEN NOT BE ABLE TO CLOSE AND RELATCH IN SUBFREEZING TEMPERATURES. THE DIC WILL ALWAYS INDICATE TO CUSTOMER THAT THE DOOR IS AJAR OR OPEN. THE DOOR LOCK IS FROZEN. *PE UPDATED 12/18/09. *PE
PIC-51692009-11-25. Service bulletin. PONTIAC/CHEVROLET/SATURN: THE REAR DOOR WILL NOT OPEN FROM EITHER THE INSIDE OR OUTSIDE HANDLE (DOOR UNLOCKED). IF THE OUTSIDE DOOR HANDLE ROD IS MIS ADJUSTED WHEN THE DOOR IS LOCKED THEN CLOSED, THE LOCKING MECHANISM INTERNAL TO THE LATCH MAY NOT BE ABLE TO RELEASE. *PE
37872006-01-06. Service bulletin. POWER DOOR LOCKS INOPERATIVE. REAR DOOR LOCK FUSE BLOWN. *TT