2020 Grand Design Momentum Electrical system Problems
- Complaints
- 1about this part
- Share
- 3%of 29 total for the year
- Median mileage
- 12,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2020 Grand Design Momentum, 3% of the 29 complaints for this model year. Where a mileage was given, the median is 12,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2020 Grand Design Momentum RV. The contact stated that while the RV was parked, the contact heard an abnormally loud popping sound coming from behind the sleeping cabinets at the camping ground. The contact performed an inspection and noticed that the 110-volt electrical wires in the RV had shifted during travel and were touching the subframe of the RV. The contact noticed smoke coming from underneath the RV, and the refrigerator circuit braker then tripped. No warning lights were illuminated. …”
NHTSA complaint #11702463, filed 2025-12, 12,000 milesRelated service bulletins
- 10162393Jul 9, 2019On certain Momentum Travel Trailer models ( 25G, 28G & 29G) the EMS power shed for the bedroom AC and Water Heater is wired incorrectly. The hot wire is not routed through the…
Electrical system: other model years
Other parts of the 2020 Grand Design Momentum
19 complaintsOther or unknown
16 complaintsSuspension
8 complaintsLatches, locks and linkages
3 complaintsEquipment
2 complaintsBrakes
1 complaints
← All problems reported for the 2020 Grand Design Momentum
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology