Grand Design Solitude 2021 — technical service bulletin
Bulletin TSB21-002 · NHTSA communication 10195326 · issued Jun 9, 2021
Technical service bulletin
communication type
Equipment
component
2021
model years
1
vehicle entries
Official summary
Gray Tank has an uncapped plumbing hole on top of tank on ST346FLS select units.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.