TSB: CADILLAC AVALANCHE 1500, ESCALADE, ESCALADE ESV, L VAN, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SUBURBAN, TAHOE, YUKON DENALI (2000–2007)

Bulletin PIT4093B — March 10, 2020

Bulletin Details

Bulletin IDPIT4093B
ManufacturerCADILLAC
ModelsAVALANCHE 1500, ESCALADE, ESCALADE ESV, L VAN, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SUBURBAN, TAHOE, YUKON DENALI
Model Years2000–2007
Date IssuedMarch 10, 2020
Date Added to NHTSAApril 13, 2020
ComponentELECTRICAL SYSTEM
Vehicles Affected49 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

This Preliminary information communicates information to dealership on how to clear a B1001 DTC after replacing the BCM or SDM.

Affected Vehicles

MakeModelYearComponent
GMC SIERRA DENALI 2007 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2007 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 1500 2006 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2006 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2006 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2006 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2006 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 1500 2005 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2005 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2005 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2005 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2005 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2005 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2005 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 1500 2004 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2004 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2004 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2004 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2004 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2004 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2004 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 1500 2003 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2003 110000 ELECTRICAL SYSTEM
GMC SIERRA DENALI 2003 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2003 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2003 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2003 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2003 110000 ELECTRICAL SYSTEM
CHEVROLET AVALANCHE 1500 2002 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2002 110000 ELECTRICAL SYSTEM
GMC SIERRA DENALI 2002 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2002 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2002 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2002 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2002 110000 ELECTRICAL SYSTEM
CHEVROLET L VAN 2001 110000 ELECTRICAL SYSTEM
GMC SIERRA 3500 2001 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2001 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2001 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2001 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2001 110000 ELECTRICAL SYSTEM
CHEVROLET L VAN 2000 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2000 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2000 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2000 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2000 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2000 110000 ELECTRICAL SYSTEM

Related CADILLAC Recalls

CampaignModelYearComponentSummary
CTS 2016 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
ATS 2015 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
ESCALADE 2015 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
SRX 2015 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
SRX 2016 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CADILLAC dealer. Bring this bulletin ID (PIT4093B) 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.