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Service bulletin 01955

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 id10007070
Published by NHTSA2004-05-25
Manufacturer's number01955
Manufacturer's date2004-01-01
NHTSA componentLATCHES/LOCKS/LINKAGES

NHTSA's summary

PASSENGER DOOR MODULE LOCK UP.*MR

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
CHEVROLET AVALANCHE2004
CHEVROLET SILVERADO2004
CHEVROLET SUBURBAN2004
CHEVROLET TAHOE2004
GMC SIERRA2004
GMC YUKON2004
GMC YUKON DENALI2004 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2004
HUMMER H22004

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
017902004-04-27. Service bulletin. REAR QUARTER GLASS HINGE (LATCH) LOOSE. *MR