2023 Grand Design Momentum problems & reliability
23 owner complaints filed with NHTSA for the 2023 Grand Design Momentum, alongside 9 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Structure → | 18 | 78% |
| Unknown OR Other | 6 | 26% |
| Electrical System | 4 | 17% |
| Latches/locks/linkages | 4 | 17% |
| Suspension | 3 | 13% |
| Equipment | 1 | 4% |
| Service Brakes | 1 | 4% |
| Wheels | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“Front of 5th wheel movement caused by excessive frame failure, inspection shows 1/2" out of compliance. Lag screws around interior upper deck backed out and have to be tightened regularly, soft spot in floor between bathroom and upper deck bedroom. Additional body screws needed in garage area to hold skin in place…”
Equipment · filed Jul 6, 2026
“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 was cracked. The RV…”
Latches/locks/linkages · 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 provided. The trailer…”
Structure · filed Nov 10, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Frame Flex on Grand Design Fifth Wheel Recreational Trailers
Preliminary Evaluation PE24029 · opened Oct 9, 2024 · open
Technical service bulletins
3 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2023 Grand Design Momentum.
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
WFCO 2000w Inverters Hot/Neutral Reversed Wiring : Grand Design Momentum units outfitted with solar panels and produced from June 6, 2022 to August 5th, 2022 may be equipped with a WFCO 2000w Inverter wired incorrectly…
TSB 22-002 · Service Bulletin/Repair Instructions · issued Aug 11, 2022
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2023 Grand Design Momentum has 9 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2023 Grand Design Momentum?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.