TSB: BUICK AURORA, AVALANCHE 1500, AZTEK, BONNEVILLE, BRAVADA, C SERIES, CANYON, CAVALIER, CENTURY, COBALT, COLORADO, CORVETTE, CTS, DEVILLE, ENVOY, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, G SERIES, G6, GENERAL MOTORS, GRAND PRIX, H2, IMPALA, ION, L-SERIES, L200, L300, LESABRE, MALIBU, MONTANA, MONTANA EXT, MONTE CARLO, PURSUIT, RAINIER, REGAL, RENDEZVOUS, SAVANA, SEVILLE, SIERRA 1500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500 HD, SRX, STS, SUBURBAN, SUNFIRE, TAHOE, TRAILBLAZER, VENTURE, VUE, XLR, YUKON, YUKON DENALI, YUKON XL (2000–2005)

Bulletin 05-08-46-006S — May 1, 2014

Bulletin Details

Bulletin ID05-08-46-006S
ManufacturerBUICK
ModelsAURORA, AVALANCHE 1500, AZTEK, BONNEVILLE, BRAVADA, C SERIES, CANYON, CAVALIER, CENTURY, COBALT, COLORADO, CORVETTE, CTS, DEVILLE, ENVOY, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, G SERIES, G6, GENERAL MOTORS, GRAND PRIX, H2, IMPALA, ION, L-SERIES, L200, L300, LESABRE, MALIBU, MONTANA, MONTANA EXT, MONTE CARLO, PURSUIT, RAINIER, REGAL, RENDEZVOUS, SAVANA, SEVILLE, SIERRA 1500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500 HD, SRX, STS, SUBURBAN, SUNFIRE, TAHOE, TRAILBLAZER, VENTURE, VUE, XLR, YUKON, YUKON DENALI, YUKON XL
Model Years2000–2005
Date IssuedMay 1, 2014
Date Added to NHTSAMay 21, 2018
ComponentELECTRICAL SYSTEM:SOFTWARE
Vehicles Affected119 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

Affected Vehicles

MakeModelYearComponent
CHEVROLET CAVALIER 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK CENTURY 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET COBALT 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET CORVETTE 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC CTS 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EQUINOX 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC G6 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MALIBU 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC MONTANA 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC PURSUIT 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC SRX 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC STS 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC SUNFIRE 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET VENTURE 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC XLR 2005 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 1500 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC AZTEK 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC BONNEVILLE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE BRAVADA 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC C SERIES 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC CANYON 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET CAVALIER 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK CENTURY 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET COLORADO 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC CTS 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC DEVILLE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC ENVOY 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC ENVOY XUV 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE ESV 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EXPRESS 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC GRAND PRIX 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
HUMMER H2 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET IMPALA 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN ION 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN L200 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN L300 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK LESABRE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MALIBU 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC MONTANA 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC MONTANA EXT 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MONTE CARLO 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK RAINIER 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK REGAL 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK RENDEZVOUS 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SAVANA 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC SEVILLE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA 1500 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE SILHOUETTE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 HD 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC SRX 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC SUNFIRE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TAHOE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TRAILBLAZER 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET VENTURE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN VUE 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC XLR 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON DENALI 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON XL 2004 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE AURORA 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET AVALANCHE 1500 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC AZTEK 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC BONNEVILLE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE BRAVADA 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET CAVALIER 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC CTS 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC DEVILLE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC ENVOY 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC ESCALADE ESV 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET EXPRESS 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC G SERIES 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
HUMMER H2 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET IMPALA 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN ION 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN L-SERIES 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN L200 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN L300 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK LESABRE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC MONTANA 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC MONTANA EXT 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MONTE CARLO 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK RENDEZVOUS 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SAVANA 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC SEVILLE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA 1500 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC SIERRA DENALI 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE SILHOUETTE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SILVERADO 1500 HD 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET SUBURBAN 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC SUNFIRE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TAHOE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TRAILBLAZER 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET VENTURE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN VUE 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON DENALI 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC YUKON XL 2003 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE AURORA 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC BONNEVILLE 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE BRAVADA 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC DEVILLE 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC ENVOY 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET IMPALA 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK LESABRE 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MONTE CARLO 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
CADILLAC SEVILLE 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET TRAILBLAZER 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
SATURN VUE 2002 118000 ELECTRICAL SYSTEM:SOFTWARE
OLDSMOBILE AURORA 2001 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC BONNEVILLE 2001 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET IMPALA 2001 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK LESABRE 2001 118000 ELECTRICAL SYSTEM:SOFTWARE
CHEVROLET MONTE CARLO 2001 118000 ELECTRICAL SYSTEM:SOFTWARE
PONTIAC BONNEVILLE 2000 118000 ELECTRICAL SYSTEM:SOFTWARE
BUICK LESABRE 2000 118000 ELECTRICAL SYSTEM:SOFTWARE
GMC GENERAL MOTORS 353000 EQUIPMENT:ELECTRICAL

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (05-08-46-006S) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.