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2021 Thor Motor Coach Magnitude

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 1 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Structure. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports0 injury reports

Unknown Or Other complaints

1 reports
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Mileage unknown · Sep 23, 2025
Electrical SystemStructureUnknown Or Other

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.


NHTSA ODI #11689266

Official recalls

2

22V094000 · Equipment:recreational Vehicle/trailer:lpg Systems:lines And Fittings

Feb 18, 2022

Thor Motor Coach (TMC) is recalling certain 2020-2021 Omni and Magnitude motorhomes. The LP gas line may have been incorrectly routed through the rear suspension leaf springs, which could damage the line and cause a gas leak.

Consequence & remedy

Consequence: A gas leak increases the risk of a fire.

Remedy: Dealers will re-route the LP line as needed, free of charge. Owner notification letters were mailed March 24, 2022. Owners may contact TMC customer service at 1-877-798-855-2867. TMC's number for this recall is RC000256. This recall is an expansion of NHTSA recall 21V-754.

21V754000 · Equipment:recreational Vehicle/trailer:lpg Systems:lines And Fittings

Sep 28, 2021

Thor Motor Coach (TMC) is recalling 2021-2022 Magnitude and Omni motorhomes. The LP gas line may have been incorrectly routed through the rear suspension leaf springs, which could damage the line and cause a gas leak.

Consequence & remedy

Consequence: A gas leak increases the risk of a fire.

Remedy: Dealers will re-route the LP line as necessary, free of charge. Owner notification letters were mailed November 23, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000242.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.