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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 id10113784
Published by NHTSA2017-08-15
Manufacturer's number05-08-46-006T
Manufacturer's date2015-03-31
NHTSA componentELECTRICAL SYSTEM

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

Electrical system

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 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 G VAN BUS2004
GMC SAVANA2003, 2004
GMC SIERRA 1500 HD2004 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002004 (the catalog's model; the bulletin names a series or trim of it)
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 PURSUIT2005
PONTIAC SUNFIRE2003, 2004, 2005
SATURN ION2003, 2004
SATURN L SERIES2003
SATURN L2002003
SATURN L2002004
SATURN L3002003, 2004
SATURN LW2002004
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
20232102023-04-06. Electrical
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
14V4900002014-08-08. ELECTRICAL SYSTEM:IGNITION
20142842014-07-03. Electrical
14V4000002014-07-03. ELECTRICAL SYSTEM:IGNITION
20142732014-07-02. Electrical
14V3940002014-07-02. ELECTRICAL SYSTEM:IGNITION
20142462014-06-23. Electrical
14V3550002014-06-23. ELECTRICAL SYSTEM:IGNITION
20141732014-05-16. Electrical

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
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
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General Communication2024-08-26. Service campaign. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
PIT5195H2024-08-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
24-NA-0982024-06-25. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
13-08-116-001J2024-05-16. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PI0430B2024-05-06. Service bulletin. Magnetically Controlled Suspension Electrical Connector Not Seated.
10-08-45-001H2024-04-05. Service bulletin. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
055002024-02-12. Service bulletin. 05500 IGNITION DISTRIBUTOR SYSTEM CORROSION INSPECT / REPLACE
14350D2024-01-16. Service bulletin. Unintended Ignition Key Rotation