2021 Keystone Cougar Recall: Inverter may have been incorrectly wired, causing power to energize the…
NHTSA campaign 21V178000 · Electrical System · filed Mar 16, 2021 · verified Jul 30, 2026
The defect
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.
The risk
An energized shore power connection can cause an electrical shock, increasing the risk of injury.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
Related recalls
More Keystone Cougar recalls
- 2025–2026 Keystone Alpine and 3 other models — Shock bolts may have been incorrectly tightened
- 2025 Keystone Arcadia and 1 other model — Pin box fasteners may have been improperly tightened
- 2022–2023 Keystone Cougar — These vehicles may have been manufactured without an…
- 2022 Dutchmen Aspen Trail and 15 other models — Electric retractable awning has a welded seam on the fabric…
- 2022 Keystone Cougar — Base may have incomplete welds that are unable to hold the…
Other campaigns involving Keystone vehicles
Source: NHTSA recall database, campaign 21V178000 (manufacturer number 21-403). Data last verified Jul 30, 2026.