2023 Grand Design Momentum Electrical system Problems

“We are showing many signs of excessive frame flex/failure in our 2023 Grand Design Momentum 397THS. Our baggage/storage doors do not properly fit nor lock. The RV was in the shop from Jan-May 2023 to address this. Had the doors replaced and resealed. They still are not flush with the RV, still barely latch, and have popped open while driving. While in the shop, they addressed but could not duplicate the underbelly continuously filling with water when it rains. …”

“We were driving through a mountain range and the trailer brakes went out on Trailer. Had to us exhaust brake to slow trailer down and stop. We could have crashed putting my family of 4 at high risk as well as others on the road. This was an extremely scary trip with no trailer braking. Our inverter and battery switch caught fire during a camping trip 8/12/24. My family was put in harm's way with the possibility of the trailer going up in flames! Called Grand Design. They immediately made a ticket for a technician to come replace inverter and other wiring. …”

“There is a serious electrical issue with the Grand Design Momentum 397ths. There are twenty-three electric outlets throughout the RV. Two are located outside. Two more are dedicated to microwave and electric fireplace. The two for microwave and fireplace are on their own breakers. All other twenty-one outlets are on just ONE 15 amp breaker. Typically there is a maximum of eight outlets per 15 amp breaker or a maximum of 10 amps on one breaker to avoid tripping the breaker. …”