AI Damage2025 Grand Design Momentum: common problems
Owners of the 2025 Grand Design Momentum filed 3 complaints with NHTSA, most often about service brakes and structure. The maker issued 1 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 3
- Technical service bulletins (TSB)
- 1
What fails most often
- 1 Service brakes 33% of all complaints
- 2 Structure 33% of all complaints
- 3 Suspension 33% of all complaints
- Service brakes: 1 complaints (33% of all).
- Structure: 1 complaints (33% of all).
- Suspension: 1 complaints (33% of all).
Symptoms owners describe
How many of the 3 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Service brakes | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
| Suspension | 1 | 0 | 0 |
| Other | 0 | 0 | 1 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
The roofing material behind the front cap on the RV separated from the wooden roof and tore into large sections that could have detached and caused an accident. The material had to be quickly removed and a temporary mitigation put in place to prevent further damage to the RV as well as to mitigate risk to other…
In early November 2025, while towing our 2024 Grand Design Momentum 344M M-Class fifth wheel toy hauler to a family Thanksgiving gathering, the rearmost driver-side leaf spring fractured and failed during travel.
They did not apply, however about 1 minute after the breakway was pulled the switch began to melt, then almost immediately there was smoke coming from inside the battery compartment and a fire was started by the power wires melting due to a short.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 17,150 of 36,656 model years in the NHTSA data (top 47% most complained about).
On average one model year of the Momentum has 18 complaints (12 years in the data). This year has 3, below average.
What to check before buying
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Suspension. Wheel alignment, control arms, subframe, even tire wear.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Momentum Travel Trailer bed lift bracket may be installed upside down preventing the bed from lowering…
Momentum Travel Trailer bed lift bracket may be installed upside down preventing the bed from lowering from the transit position to the bed position.
Other years of this model
Questions and answers
What are the most common problems with the 2025 Grand Design Momentum?
Owner complaints to NHTSA most often mention: service brakes, structure, suspension. Total complaints: 3. The most frequent symptoms in complaint texts: overheating, coolant loss (33%), smoke, burning smell, fire (33%).
How many service bulletins (TSB) were issued for the 2025 Grand Design Momentum?
NHTSA lists 1 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2025 Grand Design Momentum from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2025 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.