TSB: PREVOST H3, H3-41, H3-45, H3-45 VIP, W5, WE, X3, X3 COMMUTER, X3-45, X3-45 COACH, X3-45 COMMUTER, X3-45 LE MIRAGE COACH, X3-45 VIP, X3-45 VIP ENTERTAINER, X3VIP, XLII-45 ENTERTAINER (2011–2019)

Bulletin IS-18910 — March 14, 2019

Bulletin Details

Bulletin IDIS-18910
ManufacturerPREVOST
ModelsH3, H3-41, H3-45, H3-45 VIP, W5, WE, X3, X3 COMMUTER, X3-45, X3-45 COACH, X3-45 COMMUTER, X3-45 LE MIRAGE COACH, X3-45 VIP, X3-45 VIP ENTERTAINER, X3VIP, XLII-45 ENTERTAINER
Model Years2011–2019
Date IssuedMarch 14, 2019
Date Added to NHTSAJuly 3, 2019
ComponentFUEL SYSTEM, DIESEL
Vehicles Affected212 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 instruction sheet explains how to install a flap over the diesel filling cap

Affected Vehicles

MakeModelYearComponent
PREVOST H3-41 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2019 350000 EQUIPMENT
PREVOST H3-45 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2019 350000 EQUIPMENT
PREVOST H3-45 VIP 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2019 350000 EQUIPMENT
PREVOST X3 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3 COMMUTER 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3 COMMUTER 2019 350000 EQUIPMENT
PREVOST X3-45 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2019 350000 EQUIPMENT
PREVOST X3-45 COMMUTER 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2019 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2019 350000 EQUIPMENT
PREVOST X3VIP 2019 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2018 350000 EQUIPMENT
PREVOST H3-45 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2018 350000 EQUIPMENT
PREVOST H3-45 VIP 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2018 350000 EQUIPMENT
PREVOST X3 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3 COMMUTER 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3 COMMUTER 2018 350000 EQUIPMENT
PREVOST X3-45 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2018 350000 EQUIPMENT
PREVOST X3-45 COMMUTER 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2018 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2018 080000 FUEL SYSTEM, DIESEL
PREVOST X3VIP 2018 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2017 350000 EQUIPMENT
PREVOST H3-45 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2017 350000 EQUIPMENT
PREVOST H3-45 VIP 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2017 350000 EQUIPMENT
PREVOST X3 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2017 350000 EQUIPMENT
PREVOST X3-45 VIP 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2017 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2017 080000 FUEL SYSTEM, DIESEL
PREVOST X3VIP 2017 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2016 350000 EQUIPMENT
PREVOST H3-45 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2016 350000 EQUIPMENT
PREVOST H3-45 VIP 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2016 350000 EQUIPMENT
PREVOST X3 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2016 350000 EQUIPMENT
PREVOST X3-45 COACH 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2016 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2016 080000 FUEL SYSTEM, DIESEL
PREVOST X3VIP 2016 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2015 350000 EQUIPMENT
PREVOST H3-45 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2015 350000 EQUIPMENT
PREVOST H3-45 VIP 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2015 350000 EQUIPMENT
PREVOST X3 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2015 350000 EQUIPMENT
PREVOST X3-45 COACH 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2015 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2015 080000 FUEL SYSTEM, DIESEL
PREVOST X3VIP 2015 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2014 350000 EQUIPMENT
PREVOST H3-45 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2014 350000 EQUIPMENT
PREVOST H3-45 VIP 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2014 350000 EQUIPMENT
PREVOST X3 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2014 350000 EQUIPMENT
PREVOST X3-45 COACH 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2014 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2014 080000 FUEL SYSTEM, DIESEL
PREVOST X3VIP 2014 080000 FUEL SYSTEM, DIESEL
PREVOST H3 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2013 350000 EQUIPMENT
PREVOST H3-45 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2013 350000 EQUIPMENT
PREVOST H3-45 VIP 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2013 350000 EQUIPMENT
PREVOST WE 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2013 350000 EQUIPMENT
PREVOST X3-45 COACH 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 LE MIRAGE COACH 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2013 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2013 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2013 080000 FUEL SYSTEM, DIESEL
PREVOST XLII-45 ENTERTAINER 2013 080000 FUEL SYSTEM, DIESEL
PREVOST H3 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2012 350000 EQUIPMENT
PREVOST H3-45 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2012 350000 EQUIPMENT
PREVOST H3-45 VIP 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2012 350000 EQUIPMENT
PREVOST WE 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2012 350000 EQUIPMENT
PREVOST X3-45 COACH 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2012 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2012 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2012 080000 FUEL SYSTEM, DIESEL
PREVOST XLII-45 ENTERTAINER 2012 080000 FUEL SYSTEM, DIESEL
PREVOST H3 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-41 2011 350000 EQUIPMENT
PREVOST H3-45 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 2011 350000 EQUIPMENT
PREVOST H3-45 VIP 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2011 080000 FUEL SYSTEM, DIESEL
PREVOST H3-45 VIP 2011 350000 EQUIPMENT
PREVOST W5 2011 080000 FUEL SYSTEM, DIESEL
PREVOST WE 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 2011 350000 EQUIPMENT
PREVOST X3-45 COACH 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2011 080000 FUEL SYSTEM, DIESEL
PREVOST X3-45 VIP 2011 350000 EQUIPMENT
PREVOST X3-45 VIP ENTERTAINER 2011 080000 FUEL SYSTEM, DIESEL
PREVOST XLII-45 ENTERTAINER 2011 080000 FUEL SYSTEM, DIESEL

Related PREVOST Recalls

CampaignModelYearComponentSummary
REARVIEW MIRROR VISIBILITY:REARVIEW MIRRORS/DEVICES:E... Prevost Car (US) Inc. (Prevost) is recalling certain exterior driver side mir...
REARVIEW MIRROR VISIBILITY:REARVIEW MIRRORS/DEVICES:E... Prevost Car (US) Inc. (Prevost) is recalling certain exterior driver side mir...
H3-45 VIP 2026 VISIBILITY:REARVIEW MIRRORS/DEVICES:E... Prevost Car (US) Inc. (Prevost) is recalling certain 2026 H3-45 and H3-45 VIP...
H3-45 2026 VISIBILITY:REARVIEW MIRRORS/DEVICES:E... Prevost Car (US) Inc. (Prevost) is recalling certain 2026 H3-45 and H3-45 VIP...
X3-45 COMMUTER 2026 SEATS:CRITICAL FASTENERS Prevost Car (US) Inc. (Prevost) is recalling certain 2025-2026 X3-45 commuter...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized PREVOST dealer. Bring this bulletin ID (IS-18910) 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.