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Service bulletin 050846006A

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 id10015018
Published by NHTSA2005-05-14
Manufacturer's number050846006A
Manufacturer's date2005-09-01
Replaces050846006B
NHTSA componentEQUIPMENT

NHTSA's summary

INFORMATION ON UPGRADING CERTAIN ONSTAR GENERATION 5 ANALOG/DIGITAL-READY SYSTEMS TO ONSTAR GENERATION 6 DUAL-MODE (ANALOG/DIGITAL). *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

Equipment and accessories

Vehicles listed
BUICK CENTURY2004, 2005
BUICK LESABRE2003, 2004
BUICK RAINIER2004
BUICK REGAL2004
BUICK RENDEZVOUS2003, 2004
CADILLAC CTS2003, 2004, 2005
CADILLAC DEVILLE2003, 2004
CADILLAC ESCALADE2003, 2004
CADILLAC SEVILLE2003, 2004
CADILLAC SRX2005
CADILLAC STS2005
CHEVROLET AVALANCHE2003, 2004
CHEVROLET CAVALIER2003, 2004, 2005
CHEVROLET COBALT2005
CHEVROLET COLORADO2004
CHEVROLET EXPRESS2003, 2004
CHEVROLET IMPALA2004
CHEVROLET MALIBU2004, 2005
CHEVROLET MALIBU MAXX2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MONTE CARLO2004
CHEVROLET SILVERADO2003, 2004
CHEVROLET SUBURBAN2003, 2004
CHEVROLET TAHOE2003, 2004
CHEVROLET TRAILBLAZER2004
CHEVROLET VENTURE2003, 2004, 2005
GMC CANYON2004
GMC ENVOY2004
GMC SAVANA2003, 2004
GMC SIERRA2003, 2004
GMC YUKON2003, 2004
HUMMER H22003, 2004
OLDSMOBILE BRAVADA2004
OLDSMOBILE SILHOUETTE2003, 2004
PONTIAC AZTEK2003, 2004
PONTIAC BONNEVILLE2003, 2004
PONTIAC G62005
PONTIAC GRAND PRIX2004
PONTIAC MONTANA2003, 2004
PONTIAC MONTANA2005
PONTIAC SUNFIRE2003, 2004, 2005

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

Recalls for the same vehicles and component
05V0980002005-03-14. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
04V5620002004-11-26. EQUIPMENT ADAPTIVE/MOBILITY
04V1770002004-04-08. EQUIPMENT:OTHER:LABELS
04V0940002004-02-24. 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
PIT53532024-04-01. Service bulletin. XM Audio Traffic And Travel Link Availability And Operation.
1406040052024-02-12. Service bulletin. Duramax® Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
PIP5601B2024-02-12. Service bulletin. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
18-NA-0992024-02-02. Service bulletin. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
PIT5074P2024-01-29. Service bulletin. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2. There are 5 terminated leads in a package part number is 13505346, which can be ordered through your normal General Motors Customer Care and Aftersales parts channel.
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.