The defect
Tiffin Motorhomes, Inc. (Tiffin) is recalling certain 2017-2021 Bus and Phaeton vehicles. The sealing washer may not seat correctly in the pilot bore, allowing the high pressure fuel rail assembly to leak.
The risk
A fuel leak in the presence of an ignition source increases the risk of a fire.
The remedy
Tiffin will work with Cummins to inspect the rail threads , and replace the rail and fuel lines if damage is found, free of charge. Owner notification letters were mailed August 11, 2021. Owners may contact Tiffin customer service at 1-256-356-8661.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Tiffin Bus | 2017, 2018, 2019, 2020, 2021 |
| Tiffin Phaeton | 2017, 2018, 2019, 2020, 2021 |
Components: FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Tiffin Bus | 2017 | 0 | 2 |
| Tiffin Bus | 2018 | 1 | 4 |
| Tiffin Bus | 2019 | 1 | 4 |
| Tiffin Bus | 2020 | 1 | 3 |
| Tiffin Bus | 2021 | 0 | 1 |
| Tiffin Phaeton | 2017 | 1 | 2 |
| Tiffin Phaeton | 2018 | 3 | 5 |
| Tiffin Phaeton | 2019 | 4 | 4 |
| Tiffin Phaeton | 2020 | 2 | 3 |
| Tiffin Phaeton | 2021 | 3 | 7 |
Other fuel system, diesel recalls in 2021
61 of the 988 recall campaigns reported to NHTSA in 2021 concerned the fuel system, diesel; Tiffin Motorhomes, Inc. filed 71 campaigns in all.
| 21V995000 20 Dec 2021 | Van Hool N.V. |
| 21V996000 20 Dec 2021 | Crane Carrier Company |
| 21V981000 16 Dec 2021 | Terex Advance Mixer, Inc. |
| 21V971000 15 Dec 2021 | Motor Coach Industries |
| 21V969000 14 Dec 2021 | Shyft Group |
| 21V962000 13 Dec 2021 | Sutphen Corporation |
| 21V965000 13 Dec 2021 | Daimler Trucks North America, LLC |
| 21V964000 13 Dec 2021 | Seagrave Fire Apparatus, LLC |
NHTSA recalls (public domain) · all recalls of 2021