TSB: BUICK ASTRO, AVALANCHE, AVALANCHE 1500, BLAZER, BRAVADA, ENVOY, ESCALADE, EXPRESS, IMPALA, JIMMY, MONTE CARLO, RAINIER, S10, SAFARI, SAVANA, SIERRA, SILVERADO, SONOMA, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TRAILBLAZER, XC90, YUKON (1999-2006)

Bulletin 3002 - January 1, 2004

Bulletin Details

Bulletin ID3002
ManufacturerBUICK
ModelsASTRO, AVALANCHE, AVALANCHE 1500, BLAZER, BRAVADA, ENVOY, ESCALADE, EXPRESS, IMPALA, JIMMY, MONTE CARLO, RAINIER, S10, SAFARI, SAVANA, SIERRA, SILVERADO, SONOMA, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TRAILBLAZER, XC90, YUKON
Model Years1999-2006
Date IssuedJanuary 1, 2004
Date Added to NHTSAJanuary 11, 2006
ComponentPOWER TRAIN
Vehicles Affected141 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

4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT

Affected Vehicles

MakeModelYearComponent
CHEVROLET AVALANCHE 1500 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CADILLAC ESCALADE 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
GMC SIERRA 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET SILVERADO 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET SUBURBAN 1500 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET SUBURBAN 2500 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET TAHOE 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
GMC YUKON 2006 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET AVALANCHE 2005 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CADILLAC ESCALADE 2005 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET IMPALA 2005 110000 ELECTRICAL SYSTEM
CHEVROLET MONTE CARLO 2005 110000 ELECTRICAL SYSTEM
GMC SIERRA 2005 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET SILVERADO 2005 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET SUBURBAN 2005 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET TAHOE 2005 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
GMC YUKON 2005 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET ASTRO 2004 100000 POWER TRAIN
CHEVROLET AVALANCHE 2004 100000 POWER TRAIN
CHEVROLET AVALANCHE 2004 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET BLAZER 2004 100000 POWER TRAIN
OLDSMOBILE BRAVADA 2004 100000 POWER TRAIN
GMC ENVOY 2004 100000 POWER TRAIN
CADILLAC ESCALADE 2004 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET EXPRESS 2004 100000 POWER TRAIN
CHEVROLET IMPALA 2004 110000 ELECTRICAL SYSTEM
GMC JIMMY 2004 100000 POWER TRAIN
CHEVROLET MONTE CARLO 2004 110000 ELECTRICAL SYSTEM
BUICK RAINIER 2004 100000 POWER TRAIN
CHEVROLET S10 2004 100000 POWER TRAIN
GMC SAFARI 2004 100000 POWER TRAIN
GMC SAVANA 2004 100000 POWER TRAIN
GMC SIERRA 2004 100000 POWER TRAIN
GMC SIERRA 2004 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET SILVERADO 2004 100000 POWER TRAIN
CHEVROLET SILVERADO 2004 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
GMC SONOMA 2004 100000 POWER TRAIN
CHEVROLET SUBURBAN 2004 100000 POWER TRAIN
GMC SUBURBAN 2004 100000 POWER TRAIN
CHEVROLET SUBURBAN 2004 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET TAHOE 2004 100000 POWER TRAIN
CHEVROLET TAHOE 2004 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET TRAILBLAZER 2004 100000 POWER TRAIN
VOLVO XC90 2004 110000 ELECTRICAL SYSTEM
GMC YUKON 2004 100000 POWER TRAIN
GMC YUKON 2004 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET ASTRO 2003 100000 POWER TRAIN
CHEVROLET AVALANCHE 2003 100000 POWER TRAIN
CHEVROLET AVALANCHE 2003 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET BLAZER 2003 100000 POWER TRAIN
OLDSMOBILE BRAVADA 2003 100000 POWER TRAIN
GMC ENVOY 2003 100000 POWER TRAIN
CADILLAC ESCALADE 2003 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET EXPRESS 2003 100000 POWER TRAIN
CHEVROLET IMPALA 2003 110000 ELECTRICAL SYSTEM
GMC JIMMY 2003 100000 POWER TRAIN
CHEVROLET MONTE CARLO 2003 110000 ELECTRICAL SYSTEM
CHEVROLET S10 2003 100000 POWER TRAIN
GMC SAFARI 2003 100000 POWER TRAIN
GMC SAVANA 2003 100000 POWER TRAIN
GMC SIERRA 2003 100000 POWER TRAIN
GMC SIERRA 2003 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET SILVERADO 2003 100000 POWER TRAIN
CHEVROLET SILVERADO 2003 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
GMC SONOMA 2003 100000 POWER TRAIN
CHEVROLET SUBURBAN 2003 100000 POWER TRAIN
GMC SUBURBAN 2003 100000 POWER TRAIN
CHEVROLET SUBURBAN 2003 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET TAHOE 2003 100000 POWER TRAIN
CHEVROLET TAHOE 2003 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET TRAILBLAZER 2003 100000 POWER TRAIN
VOLVO XC90 2003 110000 ELECTRICAL SYSTEM
GMC YUKON 2003 100000 POWER TRAIN
GMC YUKON 2003 135200 VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
CHEVROLET ASTRO 2002 100000 POWER TRAIN
CHEVROLET AVALANCHE 2002 100000 POWER TRAIN
CHEVROLET BLAZER 2002 100000 POWER TRAIN
OLDSMOBILE BRAVADA 2002 100000 POWER TRAIN
GMC ENVOY 2002 100000 POWER TRAIN
CHEVROLET EXPRESS 2002 100000 POWER TRAIN
GMC JIMMY 2002 100000 POWER TRAIN
CHEVROLET MONTE CARLO 2002 110000 ELECTRICAL SYSTEM
CHEVROLET S10 2002 100000 POWER TRAIN
GMC SAFARI 2002 100000 POWER TRAIN
GMC SAVANA 2002 100000 POWER TRAIN
GMC SIERRA 2002 100000 POWER TRAIN
CHEVROLET SILVERADO 2002 100000 POWER TRAIN
GMC SONOMA 2002 100000 POWER TRAIN
CHEVROLET SUBURBAN 2002 100000 POWER TRAIN
GMC SUBURBAN 2002 100000 POWER TRAIN
CHEVROLET TAHOE 2002 100000 POWER TRAIN
CHEVROLET TRAILBLAZER 2002 100000 POWER TRAIN
GMC YUKON 2002 100000 POWER TRAIN
CHEVROLET ASTRO 2001 100000 POWER TRAIN
CHEVROLET BLAZER 2001 100000 POWER TRAIN
OLDSMOBILE BRAVADA 2001 100000 POWER TRAIN
CHEVROLET EXPRESS 2001 100000 POWER TRAIN
CHEVROLET IMPALA 2001 110000 ELECTRICAL SYSTEM
GMC JIMMY 2001 100000 POWER TRAIN
CHEVROLET MONTE CARLO 2001 110000 ELECTRICAL SYSTEM
CHEVROLET S10 2001 100000 POWER TRAIN
GMC SAFARI 2001 100000 POWER TRAIN
GMC SAVANA 2001 100000 POWER TRAIN
GMC SIERRA 2001 100000 POWER TRAIN
CHEVROLET SILVERADO 2001 100000 POWER TRAIN
GMC SONOMA 2001 100000 POWER TRAIN
CHEVROLET SUBURBAN 2001 100000 POWER TRAIN
GMC SUBURBAN 2001 100000 POWER TRAIN
CHEVROLET TAHOE 2001 100000 POWER TRAIN
GMC YUKON 2001 100000 POWER TRAIN
CHEVROLET ASTRO 2000 100000 POWER TRAIN
CHEVROLET BLAZER 2000 100000 POWER TRAIN
OLDSMOBILE BRAVADA 2000 100000 POWER TRAIN
CHEVROLET EXPRESS 2000 100000 POWER TRAIN
CHEVROLET IMPALA 2000 110000 ELECTRICAL SYSTEM
GMC JIMMY 2000 100000 POWER TRAIN
CHEVROLET MONTE CARLO 2000 110000 ELECTRICAL SYSTEM
CHEVROLET S10 2000 100000 POWER TRAIN
GMC SAFARI 2000 100000 POWER TRAIN
GMC SAVANA 2000 100000 POWER TRAIN
GMC SIERRA 2000 100000 POWER TRAIN
CHEVROLET SILVERADO 2000 100000 POWER TRAIN
GMC SONOMA 2000 100000 POWER TRAIN
CHEVROLET SUBURBAN 2000 100000 POWER TRAIN
GMC SUBURBAN 2000 100000 POWER TRAIN
CHEVROLET TAHOE 2000 100000 POWER TRAIN
GMC YUKON 2000 100000 POWER TRAIN
CHEVROLET ASTRO 1999 100000 POWER TRAIN
CHEVROLET BLAZER 1999 100000 POWER TRAIN
OLDSMOBILE BRAVADA 1999 100000 POWER TRAIN
CHEVROLET EXPRESS 1999 100000 POWER TRAIN
GMC JIMMY 1999 100000 POWER TRAIN
CHEVROLET S10 1999 100000 POWER TRAIN
GMC SAFARI 1999 100000 POWER TRAIN
GMC SAVANA 1999 100000 POWER TRAIN
GMC SIERRA 1999 100000 POWER TRAIN
CHEVROLET SILVERADO 1999 100000 POWER TRAIN
GMC SONOMA 1999 100000 POWER TRAIN
CHEVROLET SUBURBAN 1999 100000 POWER TRAIN
GMC SUBURBAN 1999 100000 POWER TRAIN
CHEVROLET TAHOE 1999 100000 POWER TRAIN

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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 (3002) 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.