TSB: CHEVROLET EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SAVANNA (2003–2021)

Bulletin 18-NA-102 — April 21, 2022

Bulletin Details

Bulletin ID18-NA-102
ManufacturerCHEVROLET
ModelsEXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SAVANNA
Model Years2003–2021
Date IssuedApril 21, 2022
Date Added to NHTSAMay 3, 2022
ComponentELECTRICAL SYSTEM
Vehicles Affected125 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 technical bulletin provides a procedure to repair a possible wiring harness repair if damaged by the parking brake, brake booster mount or brake pedal bolt.

Affected Vehicles

MakeModelYearComponent
CHEVROLET EXPRESS 2021 110000 ELECTRICAL SYSTEM
GMC SAVANA 2021 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2020 110000 ELECTRICAL SYSTEM
GMC SAVANA 2020 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2019 110000 ELECTRICAL SYSTEM
GMC SAVANA 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2018 110000 ELECTRICAL SYSTEM
GMC SAVANA 2018 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2018 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2018 110000 ELECTRICAL SYSTEM
GMC SAVANNA 2018 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2017 110000 ELECTRICAL SYSTEM
GMC SAVANA 2017 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2017 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2017 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2017 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2016 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 4500 2016 110000 ELECTRICAL SYSTEM
GMC SAVANA 2016 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2016 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2016 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2016 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2015 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2014 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2014 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2014 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2014 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 4500 2014 110000 ELECTRICAL SYSTEM
GMC SAVANA 2014 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2014 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2014 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2014 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2013 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS CUTAWAY 2013 110000 ELECTRICAL SYSTEM
GMC SAVANA 2013 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2013 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2013 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2013 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2012 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2012 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2012 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 4500 2012 110000 ELECTRICAL SYSTEM
GMC SAVANA 2012 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2012 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2012 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2012 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2011 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2011 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2011 110000 ELECTRICAL SYSTEM
GMC SAVANA 2011 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2011 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2011 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2011 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2010 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2010 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2010 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2010 110000 ELECTRICAL SYSTEM
GMC SAVANA 2010 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2010 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2010 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2010 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2009 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2009 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2009 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2009 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 4500 2009 110000 ELECTRICAL SYSTEM
GMC SAVANA 2009 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2009 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2009 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2009 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2008 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2008 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2008 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2008 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS CUTAWAY VAN 2008 110000 ELECTRICAL SYSTEM
GMC SAVANA 2008 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2008 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2008 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2008 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2007 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2007 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2007 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2007 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS CUTAWAY VAN 2007 110000 ELECTRICAL SYSTEM
GMC SAVANA 2007 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2007 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2007 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2007 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2006 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS CUTAWAY VAN 2006 110000 ELECTRICAL SYSTEM
GMC SAVANA 2006 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2006 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2006 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2006 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2005 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2005 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2005 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2005 110000 ELECTRICAL SYSTEM
GMC SAVANA 2005 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2005 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2005 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2005 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2004 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2004 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2004 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2004 110000 ELECTRICAL SYSTEM
GMC SAVANA 2004 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2004 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2004 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2004 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2003 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 1500 2003 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2500 2003 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 3500 2003 110000 ELECTRICAL SYSTEM
GMC SAVANA 2003 110000 ELECTRICAL SYSTEM
GMC SAVANA 1500 2003 110000 ELECTRICAL SYSTEM
GMC SAVANA 2500 2003 110000 ELECTRICAL SYSTEM
GMC SAVANA 3500 2003 110000 ELECTRICAL SYSTEM

Related CHEVROLET Recalls

CampaignModelYearComponentSummary
SILVERADO 3500 2019 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 2500 2019 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 1500 2018 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 1500 2018 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...
SILVERADO 2500 2019 AIR BAGS General Motors, LLC (GM) is recalling certain 2018 Chevrolet Silverado 1500, ...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CHEVROLET dealer. Bring this bulletin ID (18-NA-102) 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.