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TSB: BUICK AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, BRAVADA, ENVOY, ENVOY 360, ENVOY XL, ENVOY XUV, ESCALADE, ESCALADE ESV, ESCALADE EXT, RAINIER, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SSR, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, YUKON, YUKON DENALI, YUKON XL (1999-2007)

Bulletin 040525002 - June 1, 2007

Bulletin Details

Bulletin ID040525002
ManufacturerBUICK
ModelsAVALANCHE, AVALANCHE 1500, AVALANCHE 2500, BRAVADA, ENVOY, ENVOY 360, ENVOY XL, ENVOY XUV, ESCALADE, ESCALADE ESV, ESCALADE EXT, RAINIER, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SSR, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, YUKON, YUKON DENALI, YUKON XL
Model Years1999-2007
Date IssuedJune 1, 2007
Date Added to NHTSAAugust 15, 2007
ComponentSERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
Vehicles Affected111 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

ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB

Affected Vehicles

MakeModelYearComponent
GMC ENVOY 360 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
BUICK RAINIER 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 1500 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2500 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 3500 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 1500 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2500 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 3500 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER 360 2007 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET AVALANCHE 1500 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET AVALANCHE 2500 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY XL 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE ESV 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE EXT 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
BUICK RAINIER 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SSR 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 1500 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 2500 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TAHOE 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER EXT 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON XL 2006 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET AVALANCHE 1500 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET AVALANCHE 2500 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY XUV 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE ESV 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE EXT 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
BUICK RAINIER 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SSR 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TAHOE 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON DENALI 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON XL 2005 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET AVALANCHE 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
OLDSMOBILE BRAVADA 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY XL 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY XUV 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE ESV 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE EXT 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
BUICK RAINIER 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SSR 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TAHOE 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER EXT 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON DENALI 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON XL 2004 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET AVALANCHE 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
OLDSMOBILE BRAVADA 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY XL 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE ESV 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE EXT 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SSR 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TAHOE 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER EXT 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON DENALI 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON XL 2003 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET AVALANCHE 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
OLDSMOBILE BRAVADA 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC ENVOY XL 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CADILLAC ESCALADE EXT 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TAHOE 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TRAILBLAZER EXT 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON DENALI 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON XL 2002 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2001 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2001 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 2001 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TAHOE 2001 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON 2001 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON DENALI 2001 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON XL 2001 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 2000 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 2000 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SUBURBAN 2000 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET TAHOE 2000 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON 2000 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON DENALI 2000 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC YUKON XL 2000 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
GMC SIERRA 1999 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT
CHEVROLET SILVERADO 1999 046600 SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

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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 (040525002) 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.

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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.

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