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Service bulletin 05-08-46-006T

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 id10135417
Published by NHTSA2018-05-07
Manufacturer's number05-08-46-006T
Manufacturer's date2015-03-31
NHTSA componentEQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

This informational bulletin provides information to dealership personnel on upgrading certain OnStar Analog/Digital-Ready Systems to OnStar Generation 6 Digital-Capable System.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
BUICK CENTURY2004, 2005
BUICK LESABRE2000, 2001, 2002, 2003, 2004
BUICK RAINIER2004
BUICK REGAL2004
BUICK RENDEZVOUS2003, 2004
CADILLAC CTS2003, 2004, 2005
CADILLAC DEVILLE2002, 2003, 2004
CADILLAC ESCALADE2003, 2004
CADILLAC ESCALADE ESV2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 15002003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SEVILLE2002, 2003, 2004
CADILLAC SRX2004, 2005
CADILLAC STS2005
CADILLAC XLR2004, 2005
CHEVROLET AVALANCHE 15002003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CAVALIER2003, 2004, 2005
CHEVROLET COBALT2005
CHEVROLET COLORADO2004
CHEVROLET CORVETTE2005
CHEVROLET EQUINOX2005
CHEVROLET EXPRESS2003, 2004
CHEVROLET IMPALA2001, 2002, 2003, 2004
CHEVROLET MALIBU2004, 2005
CHEVROLET MONTE CARLO2001, 2002, 2003, 2004
CHEVROLET SILVERADO 1500 HD2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002003, 2004 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2003, 2004
CHEVROLET TAHOE2003, 2004
CHEVROLET TRAILBLAZER2002, 2003, 2004
CHEVROLET VENTURE2003, 2004, 2005
GMC C SERIES2004
GMC CANYON2004
GMC ENVOY2002, 2003, 2004
GMC ENVOY XUV2004 (the catalog's model; the bulletin names a series or trim of it)
GMC G SERIES2003
GMC SAVANA2003, 2004
GMC YUKON2003, 2004
GMC YUKON DENALI2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2003, 2004
HUMMER H22003, 2004
OLDSMOBILE AURORA2001, 2002, 2003
OLDSMOBILE BRAVADA2002, 2003, 2004
OLDSMOBILE SILHOUETTE2003, 2004
PONTIAC AZTEK2003, 2004
PONTIAC BONNEVILLE2000, 2001, 2002, 2003, 2004
PONTIAC G62005
PONTIAC GRAND PRIX2004
PONTIAC MONTANA2003, 2004
PONTIAC MONTANA2005
PONTIAC MONTANA EXT2003, 2004 (the catalog's model; the bulletin names a series or trim of it)
PONTIAC PURSUIT2005
PONTIAC SUNFIRE2003, 2004, 2005
SATURN ION2003, 2004
SATURN L SERIES2003
SATURN L2002003
SATURN L2002004
SATURN L3002003, 2004
SATURN VUE2002, 2003, 2004

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
04V1770002004-04-08. EQUIPMENT:OTHER:LABELS
04V0940002004-02-24. EQUIPMENT:OTHER:LABELS
03V5190002003-12-19. EQUIPMENT:OTHER:LABELS
03V2500002003-07-15. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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Recalls2024-01-08. Service bulletin. Vehicle Recalls
PIT5074H2023-12-26. Service bulletin. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-26. Service bulletin. Terminal Test Probe And Replacement Terminal.
PIT4864F2023-12-26. Service bulletin. Information On Requests To Add OnStar Bluetooth Option.
PIT4780R2023-12-26. Service bulletin. Parallel Hybrid Truck (PHT) Part Restriction.