TSB: CADILLAC AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, ESCALADE, SIERRA, SILVERADO, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, YUKON, YUKON XL (2003-2006)

Bulletin 030850014 - January 1, 2006

Bulletin Details

Bulletin ID030850014
ManufacturerCADILLAC
ModelsAVALANCHE, AVALANCHE 1500, AVALANCHE 2500, ESCALADE, SIERRA, SILVERADO, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, YUKON, YUKON XL
Model Years2003-2006
Date IssuedJanuary 1, 2006
Date Added to NHTSADecember 4, 2003
ComponentELECTRICAL SYSTEM
Vehicles Affected31 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

INTERMITTENT NO START, SERVICE STABILITY MESSAGE, ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ILLUMINATED, MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS), DIC SHOWS UNKNOWN DRIVER, VARIOUS ELECTRICAL RELATED CONDITIONS. INCLUDES ESCALADE ESV AND EXT MOD

Affected Vehicles

MakeModelYearComponent
CHEVROLET AVALANCHE 1500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 2500 2006 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2006 110000 ELECTRICAL SYSTEM
GMC SIERRA 2006 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2006 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 1500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2006 110000 ELECTRICAL SYSTEM
GMC YUKON 2006 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 1500 2005 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2005 110000 ELECTRICAL SYSTEM
GMC SIERRA 2005 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2005 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2005 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2005 110000 ELECTRICAL SYSTEM
GMC YUKON 2005 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 2004 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2004 110000 ELECTRICAL SYSTEM
GMC SIERRA 2004 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2004 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2004 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2004 110000 ELECTRICAL SYSTEM
GMC YUKON 2004 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 2003 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2003 110000 ELECTRICAL SYSTEM
GMC SIERRA 2003 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2003 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2003 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2003 110000 ELECTRICAL SYSTEM
GMC YUKON 2003 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2003 110000 ELECTRICAL SYSTEM

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CADILLAC dealer. Bring this bulletin ID (030850014) 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.