TSB: THOMAS BUILT BUSES HDX, MINOTOUR, SAF-T-LINER EFX (2000–2019)

Bulletin DOC-1033968 — November 8, 2018

Bulletin Details

Bulletin IDDOC-1033968
ManufacturerTHOMAS BUILT BUSES
ModelsHDX, MINOTOUR, SAF-T-LINER EFX
Model Years2000–2019
Date IssuedNovember 8, 2018
Date Added to NHTSAApril 8, 2019
ComponentELECTRICAL SYSTEM
Vehicles Affected273 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

Service Solution: 1033968 TBB Warning Lights, One Side Flashes Faster than the Other

Affected Vehicles

MakeModelYearComponent
THOMAS BUILT BUSES MINOTOUR 2019 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2019 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2019 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2019 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2019 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2019 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2018 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2018 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2018 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2018 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2018 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2018 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2017 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2017 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2017 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2017 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2017 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2017 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2016 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2016 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2016 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2016 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2016 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2016 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2015 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2015 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2015 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2015 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2015 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2015 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2015 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2015 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2015 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2014 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2014 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2014 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2014 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2014 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2014 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2013 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2013 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2013 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2013 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2013 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2013 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2012 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2012 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2012 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2012 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2012 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2012 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2012 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2012 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2012 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2011 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2011 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2011 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2011 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2011 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2011 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2011 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2011 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2011 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2010 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2010 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2010 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2010 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2010 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2010 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2010 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2010 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2010 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2009 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2009 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2009 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2009 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2009 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2009 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2009 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2009 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2009 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2008 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2008 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2008 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2008 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2008 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2008 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2008 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2008 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2008 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2007 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2007 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2007 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2007 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2007 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2007 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2007 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2007 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2007 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2006 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2006 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2006 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2006 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2006 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2006 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2006 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2006 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2006 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2005 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES HDX 2005 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES HDX 2005 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2005 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2005 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2005 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2005 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2005 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2005 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2004 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2004 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2004 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2004 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2004 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2004 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2003 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2003 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2003 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2003 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2003 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2003 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2002 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2002 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2002 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2002 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2002 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2002 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2001 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2001 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2001 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2001 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES SAF-T-LINER EFX 2001 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES SAF-T-LINER EFX 2001 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2000 110000 ELECTRICAL SYSTEM
THOMAS BUILT BUSES MINOTOUR 2000 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS
THOMAS BUILT BUSES MINOTOUR 2000 127000 EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized THOMAS BUILT BUSES dealer. Bring this bulletin ID (DOC-1033968) 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.