WenmarOpen by Wenmar Pro

Service bulletin 050730021

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 id10017381
Published by NHTSA2005-11-05
Manufacturer's number050730021
Manufacturer's date2005-08-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:SWITCH

NHTSA's summary

IGNITION KEY WILL NOT REMOVE FROM IGNITION LOCK CYLINDER. *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

Electrical system, Ignition

Vehicles listed
BUICK RAINIER2004, 2005, 2006
CHEVROLET TRAILBLAZER2002, 2003, 2004, 2005, 2006
GMC ENVOY2002, 2003, 2004, 2005, 2006
OLDSMOBILE BRAVADA2003, 2004

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
33042005-04-20. Service bulletin. INTERMITTENT STALL DURING LOW SPEED DECELERATION. *TT
32162004-12-02. Service bulletin. ERRATIC OPERATION OF PERSONALIZATION WITH IGNITION CYCLE. *EH
30832004-11-17. Service bulletin. KEY MAY NOT TURN OR BIND IN THE IGNITION. *TT
021402004-07-12. Service bulletin. WHEN ATTEMPTING TO TURN THE KEY TO START THE VEHICLE, YOU MAY EXPERIENCE HARD OR INTERMITTENT MECHANICAL BINDING IN THE IGNITION CYLINDER. *TT
0805032003-11-05. Service bulletin. THE PURPOSE OF THIS MESSAGE IS TO PROVIDE INFORMATION ABOUT A NEW PRODUCT EMISSION RECALL. THE RECALL NUMBER OF 03042. THIS RECALL IS FOR VEHICLES IN DEALER INVENTORY ONLY. SOME OF THESE VEHICLES MAY HAVE BEEN BUILT WITH SPARKPLUGS THAT MISFIRE. *TT
0208460052002-10-04. Service bulletin. SUBJECT REGARDNG THE ADDITION OF DIAGNOSTIC TROUBLE CODE U1500 FOR GENERATION 4 ONSTAR. *TT
0210012002-02-25. Service bulletin. INFORMATION REGARDING ENGINE SOON LAMP BEING ILLUMINATED FOR DIAGNOSTIC TROUBLE CODE,P0014, P1683 OR P0116 A DELAYED TRANSMISSION DOWNSHIFT AND/OR EXCESSIVE FAN NOISE. *YH
3008012001-11-20. Service bulletin. INFORMATION REGARDING UNRESOLVED DTC P0014, FALSE DTC P0116 AND P1683. *YH