NHTSA campaign 21V178000 · Keystone campaign 21-403
Keystone Recall 21V-178: Inverter May Be Wired Incorrectly
NHTSA recall 21V178000 (Keystone campaign 21-403) was reported by Keystone RV Company on March 16, 2021, with 31 vehicles potentially affected (per NHTSA). NHTSA's record lists the Keystone Cougar for the 2021 model year. Owners were notified on March 24, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V178000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V178000 (also written 21V-178 or 21V178)
- Filed by
- Keystone RV Company
- Keystone campaign number
- 21-403
- Report received
- Potentially affected
- 31 vehicles (per NHTSA)
- Component
- Electrical System
- Owners notified
Repair completion: 77.42% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V178000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Keystone
Keystone Cougar
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V178000.
Defect description
Keystone RV Company (Keystone) is recalling certain 2021 Cougar 29MBS, 30RLS, 315RLS, 316RLS, 32BHS, 353SRX, 364BHL, and 368MBI trailers equipped with the Off the Grid (OTG) Solar package. The inverter may have been incorrectly wired, causing power to energize the shore power connection, when in use.
Safety consequence
An energized shore power connection can cause an electrical shock, increasing the risk of injury.
Manufacturer remedy
Keystone will notify owners, and dealers will test the inverter function, and rewire it if necessary, free of charge. The recall began March 24, 2021. Owners may contact Keystone customer service at 1-866-425-4369. Keystone's number for this recall is 21-403.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Sources
Official NHTSA notice for recall 21V178000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.