2022 Grand Design Momentum structure problems

28 owner complaints filed with NHTSA name the structure on the 2022 Grand Design Momentum — 85% of all complaints for this model year.

Structure complaints

85%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“I am submitting this complaint regarding a 2022 Grand Design Momentum 381, that is exhibiting numerous symptoms commonly associated with excessive frame flex, structural deformation, and potential frame failure. The symptoms observed include concerns affecting multiple structural systems of the RV…”
filed Aug 27, 2026
“On a recent camping trip across the country, about half way we noticed that the door was not latching correctly, then we noticed fine powdery sawdust and bigger chunks of saw dust. We started to notice squeaking in [XXX] When we got to [XXX], a loud crunching noise was developing, starting out…”
filed Aug 17, 2026
“The contact owns a 2022 Grand Design Momentum RV. The contact stated that there was an excessive frame flex in the body of the RV. The contact stated that the walls were separating, and the doors were opening unintendedly while driving. The vehicle was taken to the local dealer, where it was diagnosed and the lag…”
filed Jul 22, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Grand Design is addressing concerns of excessive frame flex or wall securement in the front upper deck area of a limited number of fifth-wheel units. This condition could potentially occur over time due to a combination…
920017 · Service Campaign · issued Nov 22, 2025
TSB 24-001 Issued in March on March 7th. Concern: Complaint of upper deck flex which results in cosmetic damages to the interior and excessive flex at the pin box. Remedy : The procedure outlined in attached summary to…
TSB 24-001 · Service Bulletin/Repair Instructions · issued Apr 10, 2024