2021 Grand Design Momentum recalls and problems

The 2021 Grand Design Momentum has 4 safety recalls and 58 owner complaints filed with NHTSA. Recall repairs are free at any Grand Design dealer.

Recalls
4
Complaints
58
Crashes / fires
1 / 0
Injuries / deaths
0 / 0

Recalls may cover only some 2021 Grand Design Momentum vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2021 Grand Design Momentum recalls

Recall 26V-044: Suspension

Reported Jan 26, 2026 · 7,585 vehicles affected · Grand Design RV, LLC

Problem: Grand Design RV, LLC (Grand Design) is recalling certain 2021-2024 Momentum and 2022-2024 Solitude Fifth Wheel trailers. The U-bolt may become loose due to inadequate preload and preload losses, causing the axle to move out of position.

Risk: An axle that moves out of position can cause a loss of vehicle control and increase the risk of a crash.

Fix: Dealers will replace the axle attachment components, free of charge. Owner notification letters were mailed May 15, 2026. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910054. This recall supersedes NHTSA Recalls 23V490 and 24V193.

Recall 23V-490: Suspension

Reported Jul 17, 2023 · 6,270 vehicles affected · Grand Design RV, LLC

Problem: Grand Design RV, LLC. (Grand Design) is recalling certain 2021-2024 Momentum and Solitude fifth wheels, equipped with certain CURT 7000 and 8000 lb axles. The U-bolts may have been improperly tightened, which can cause the axle to move out of position.

Risk: An axle that moves out of position can cause a loss of vehicle control and increase the risk of a crash.

Fix: Dealers will inspect and tighten the U-bolts, as necessary. Any damaged components will be replaced. Repairs will be performed free of charge. Owner notification letters were mailed August 16, 2023. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910039.

Recall 22V-038: Equipment

Reported Jan 28, 2022 · 43,421 vehicles affected · Grand Design RV, LLC

Problem: Grand Design RV, LLC (Grand Design) is recalling certain 2013-2021 Momentum, Solitude, and Reflection recreational vehicles. A 110-volt wire in the refrigerator cabinet may be improperly secured, which could result in the wire contacting the refrigerator cooling unit, causing an electrical arc.

Risk: An electrical arc increases the risk of a fire.

Fix: Dealers will inspect and replace any damaged wiring, and properly secure the wires, free of charge. Owner notification letters were mailed on February 21, 2022. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910026.

Recall 21V-393: Equipment

Reported May 26, 2021 · 55,508 vehicles affected · Grand Design RV, LLC

Problem: Grand Design RV, LLC (Grand Design) is recalling certain 2016-2021 Imagine, Transcend, and Momentum travel trailers. The LP regulator that controls the LP gas pressure may fail, allowing excessive gas pressure that causes the appliance flame to increase.

Risk: Excessive gas pressure and a larger than intended appliance flame can increase the risk of a fire.

Fix: Dealers will replace the LP regulator, free of charge. Owner notification letters were mailed June 24, 2021. Owners may contact Grand Design customer service at 1-574-825-9679. Grand Design's number for this recall is 910023.

2021 Grand Design Momentum problems reported by owners

Problem areaReports
Structure42
Unknown or Other27
Suspension21
Latches/Locks/Linkages9
Equipment3
Service Brakes2
Exterior Lighting1
Electrical System1
Power Train1

Most reported parts

  • Structure › Body — 24
  • Latches/Locks/Linkages › Doors › Latch — 9
  • Structure › Frame and Members — 4
  • Equipment › Recreational Vehicle/Trailer — 3
  • Suspension › Rear › Springs › Leaf Spring Assembly — 2

Typical mileage at the time of the problem: 15,000 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2021 Grand Design Momentum complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Suspension · reported Oct 2, 2026
Leaf spring broke in half while traveling down the highway. Completely destroyed left rear tire by locking it up and causing it to drag for 1 mile before I noticed and could stop.
Suspension · reported Sep 27, 2026
Upon returning from a recent trip I discovered that the passenger side rear leaf spring had snapped in to, near the rear leaf spring hanger. The equalizer also had cracked welds because of the incident. Thankfully the front of the leaf spring was still attached. This RV issue may be related to the widely documented frame flex issue. 1) The RV is at home in my storage shed. 2) Our safety and other motorists were put at risks because if the axle would have completely detached from the frame, it could have caused a catastrophic accident. 3) The broken leaf spring has been removed (picture of…
Structure · reported Jul 14, 2026
We own a 2021 Grand Design Momentum 393g toy hauler that has severe frame flex and bolts in slide have started backing out. We noticed this when driving and the extreme pushing/chucking when accelerating or braking and also the visible failure on the unit. We have contacted Gran Design, the manufacturer, for warranty repair and was able to go see the unit when they torn down to look at frame. The side walls were both broken and wall frame fell out when opened up. The unit is now at the manufacturer in Indiana for repair, my husband did not feel it was safe to tow so we requested manufacturer…
Structure · reported Jul 8, 2026
I am reporting a serious, progressive structural defect involving excessive frame flex and structural failure on a 2021 Grand Design Momentum 395MS fifth-wheel RV. This complaint directly aligns with the ongoing NHTSA investigation PE24-0209. The unit exhibits clear and worsening structural integrity failure, including: Slideouts and doors open during transport. Upper deck walls moving under load Lag bolts missing or backing out and pushing through flooring At least one critical structural bolt missing from factory installation Floor deformation and slope changes in the upper deck Slide-out…
Structure · reported May 24, 2026
Regarding 2021 Grand Design Momentum 376THS: Compartment doors popping open during transport; Grand Design Customer Satisfaction Campaign TSB-24-001 dated 11/1/2025 regarding frame flex and wall securement. Returned to dealer on 12/1/2025 for inspection. Dealer found the following: All doors except p/s compartment door warped or bowed; P/S cracking in sidewall paneling on slides Front cap mollding broken screws Deformation or cracks at expansion joint located under upper deck slide out Gapping between exterior wall and floor Screw cover separation around front bulkhead Loose or shifted wall…

Other Grand Design Momentum years

Compare all Grand Design Momentum years · All Grand Design models

Frequently asked questions

Does the 2021 Grand Design Momentum have any recalls?

Yes — NHTSA lists 4 recalls for the 2021 Grand Design Momentum: 26V-044 (suspension), 23V-490 (suspension), 22V-038 (equipment), 21V-393 (equipment). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2021 Grand Design Momentum?

Owners report structure problems most often (42 reports), followed by unknown or other (27). The typical mileage when problems were reported is about 15,000 miles.

Are Grand Design recall repairs free?

Yes. Safety recall repairs are free at authorized Grand Design dealers, whether you are the first owner or bought the car used.