RECALLS — MAKE · MODEL · YEAR
2020 Thor Motor Coach Challenger recalls
2 safety recall campaigns have been filed for the 2020 Thor Motor Coach Challenger with Transport Canada and the U.S. NHTSA. Here is what both agencies say.
- Canadian recalls
- 01
- U.S. recalls
- 01
- Total campaigns
- 02
Transport Canada recalls
01- Electrical#2019327
71 units affected
Issue: On certain motorhomes, the vehicle control system software may be defective. The software may allow various components in the motorhome to operate at random and without warning. This could result in sudden movement of the slide-out room(s). Safety Risk: If a slide-out room moves suddenly and without warning, it could create a risk of injury. Corrective Actions: The company will notify owners by mail and instruct them to take their vehicle to a dealer to update the motorhome's Multiplex system.
Canadian data updated August 24, 2026
U.S. NHTSA recalls
01- EQUIPMENT:RECREATIONAL VEHICLE/TRAILER#19V504000
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.
Risk: Unexpected movement of the slide-out room can increase the risk of a injury.
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.
Does this recall apply to my vehicle?
Matched by make, model, and model year. Many recalls affect only specific VIN ranges — confirm with your dealer using your full VIN.
What to do
Recall repairs are free at a franchised dealer in both countries. To confirm a recall applies to your specific vehicle, or to book the work, contact your manufacturer or dealer with your full VIN, or use the official channel:
- NHTSA recall lookup (search by VIN) — U.S. National Highway Traffic Safety Administration
- Defects and recalls database — Transport Canada
Check a 2020 Thor Motor Coach Challenger VIN
A VIN decode confirms your vehicle's exact model year, trim and assembly plant, then runs this same recall check against it.