2023 Grand Design Momentum structure problems

What owners report

• “The contact owns a 2023 Grand Design Momentum. The contact stated that while driving at an undisclosed speed, the entry side doors unexpectedly opened. Additionally, the slides of the trailer occasionally unexpectedly extend without operator input. The contact stated that the front frame of the RV…”

  filed Feb 20, 2026

• “The contact owns a 2023 Grand Design Momentum. The contact stated that the trailer was shifting on the frame. The contact stated that the welds, bolts, and frame were fractured, and while driving, the frame flexed unexpectedly. The trailer was taken to the local dealer, but the diagnosis was not…”

  filed Nov 10, 2025

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

Related recalls

• Interior step base does not adequately support the step tread
  Campaign 24V916000 · Dec 10, 2024
• Electric ramp door cut-off switch may allow for continuous power to the ramp door, which…
  Campaign 22V618000 · Aug 11, 2022

Related service bulletins

• 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

Structure problems in other Momentum years

Other reported problem areas on the 2023 Grand Design Momentum