TSB: TIFFIN PHAETON (2017–2021)

Bulletin CSA-004 — August 4, 2021

Bulletin Details

Bulletin IDCSA-004
ManufacturerTIFFIN
ModelsPHAETON
Model Years2017–2021
Date IssuedAugust 4, 2021
Date Added to NHTSAAugust 4, 2021
ComponentFUEL SYSTEM, DIESEL
Vehicles Affected5 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

Customer Service Advisory for Cummins Recall #21E032 and Freightliner Recall #21V-326 for High Pressure Fuel Rail - Freightliner chassis units built on by Tiffin.

Affected Vehicles

MakeModelYearComponent
TIFFIN PHAETON 2021 080000 FUEL SYSTEM, DIESEL
TIFFIN PHAETON 2020 080000 FUEL SYSTEM, DIESEL
TIFFIN PHAETON 2019 080000 FUEL SYSTEM, DIESEL
TIFFIN PHAETON 2018 080000 FUEL SYSTEM, DIESEL
TIFFIN PHAETON 2017 080000 FUEL SYSTEM, DIESEL

Related TIFFIN Recalls

CampaignModelYearComponentSummary
OPEN TRAIL 2027 EQUIPMENT:OTHER:LABELS Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2026-2027 Open Trail, W...
OPEN TRAIL 2026 EQUIPMENT:OTHER:LABELS Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2026-2027 Open Trail, W...
WAYFARER 2027 EQUIPMENT:OTHER:LABELS Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2026-2027 Open Trail, W...
WAYFARER 2026 EQUIPMENT:OTHER:LABELS Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2026-2027 Open Trail, W...
MIDAS 2026 EQUIPMENT:OTHER:LABELS Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2026-2027 Open Trail, W...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized TIFFIN dealer. Bring this bulletin ID (CSA-004) 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.