NHTSA vehicle safety data
2020 Thor Motor Coach Challenger Recalls & Complaints
The 2020 Thor Motor Coach Challenger has 1 NHTSA recall campaign and 1 owner complaint on file as of November 3, 2026. Recall repairs are usually free at an authorized Thor Motor Coach dealer.
NHTSA recall and complaint data for the 2020 Thor Motor Coach Challenger. Recall data is refreshed daily from NHTSA.
2020 Thor Motor Coach Challenger owner complaints
Owners have filed 1 complaint with NHTSA about the 2020 Thor Motor Coach Challenger, describing incidents dated September 13, 2020.
Most-cited components
- Electrical System 1 complaint
- Exterior Lighting 1 complaint
- Power Train 1 complaint
Newest complaints
ODI #11354942 · Filed
WHILE TRAVELING ON A INTERSTATE THE VEHICLE SHUT COMPLETELY OFF. THE MOTOR SHUT OFF AND WE LOST ALL POWER BRAKES AND STEERING. ALL POWER INSIDE AND OUTSIDE SHUT OFF SO WE HAD NO LIGHTS ON THE EXTERIOR TO SEE OR SIGNAL OTHER VEHICLES. I HAD TO STOP THE VEHICLE WITH THE EMERGENCY BRAKE.
Slide Room may Move
NHTSA #19V504000 · Equipment — Recreational Vehicle/Trailer · NHTSA notice
Reported June 30, 2019 · Thor Motor Coach
Potentially affected: 1,554 vehicles
Repair completion: 84.55% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)
Thor Motor Coach campaign RC000170 · Owners notified August 1, 2019 · Vehicles built March 29, 2018 – June 19, 2019 (per NHTSA)
Defect description
Thor Motor Coach (TMC) is recalling certain 2019-2020 Challenger, Miramar, Magnitude, Outlaw, Omni, and Palazzo motorhomes. The vehicle control system software may cause the slide-out room to move unexpectedly.
Safety consequence
Unexpected movement of the slide-out room can increase the risk of a injury.
Manufacturer remedy
TMC will notify owners, and dealers will update the affected software, free of charge. The recall is expected to begin August 28, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000170.
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.
Other Thor Motor Coach Challenger model years
Check your 2020 Thor Motor Coach Challenger VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Thor Motor Coach Challenger at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
Check a Thor Motor Coach VIN