2021 Thor Motor Coach Magnitude recalls and problems

There are no safety recalls for the 2021 Thor Motor Coach Magnitude, but owners have filed 3 complaints with NHTSA.

Recalls
0
Complaints
3
Crashes / fires
0 / 0
Injuries / deaths
0 / 0

Recalls may cover only some 2021 Thor Motor Coach Magnitude vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2021 Thor Motor Coach Magnitude problems reported by owners

Problem areaReports
Electrical System2
Power Train1
Structure1
Unknown or Other1

Most reported parts

  • Structure › Body — 1

Typical mileage at the time of the problem: 6,671 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2021 Thor Motor Coach Magnitude complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Electrical System · reported Sep 23, 2025
Rear house battery tray weld failed, tray fell and hit the ground, damaging BIM, various cables etc. Identical to Recall 19V-566 (2019–2020) but not included for 2021.

Safety concern: Batteries may detach on roadway, cause shorts/fire, or total power loss.

Electrical System · reported Jun 15, 2023
A wiring harness was found pinched, pins bent and broken, apparently in the process of mating the motorhome body to the cassis cab. This cable has power in it and could result in a vehicle fire. Thor has been completely unresponsive in assisting me, despite acknowledging it’s out of warranty, and I simply needed verification of their integration to the chassis, to reassure the after market warranty that this wasn’t something “tampered with”. As a retired fire fighter, I have seen the result of RV fires. They burn fast, and people die. I felt I had no option but to refer this after…

Other Thor Motor Coach Magnitude years

Compare all Thor Motor Coach Magnitude years · All Thor Motor Coach models

Frequently asked questions

Does the 2021 Thor Motor Coach Magnitude have any recalls?

No. NHTSA has no safety recalls for the 2021 Thor Motor Coach Magnitude as of this update. Check your VIN at nhtsa.gov/recalls for the latest status.

What is the most common problem with the 2021 Thor Motor Coach Magnitude?

Owners report electrical system problems most often (2 reports), followed by power train (1). The typical mileage when problems were reported is about 6,671 miles.

Are Thor Motor Coach recall repairs free?

Yes. Safety recall repairs are free at authorized Thor Motor Coach dealers, whether you are the first owner or bought the car used.