NHTSA vehicle safety data

2021 Thor Motor Coach Aria Recalls & Complaints

The 2021 Thor Motor Coach Aria has 2 NHTSA recall campaigns 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 2021 Thor Motor Coach Aria. Recall data is refreshed daily from NHTSA.

2021 Thor Motor Coach Aria owner complaints

Owners have filed 1 complaint with NHTSA about the 2021 Thor Motor Coach Aria, describing incidents dated April 20, 2021.

Most-cited components

  • Wheels 1 complaint

Newest complaints

  • ODI #11413641 · Filed

    TIRE PRESSURE OUT OF LIMITS AND TEMPERATURES AT 400 F. ON THE DASH.

Read the full complaint

Window Adhesive Failure

NHTSA #21V522000 · Structure · NHTSA notice

Reported July 8, 2021 · Thor Motor Coach

Potentially affected: 521 vehicles

Repair completion: 55.85% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Thor Motor Coach campaign RC000232 · Owners notified September 8, 2021

Defect description

Thor Motor Coach (TMC) is recalling certain 2019 Challenger, Palazzo, Tuscany, 2019-2020 Miramar, 2019-2021 Aria, Outlaw, and Venetian recreational vehicles equipped with Hehr 6400 series windows. The adhesive that bonds the vented portion of the window may fail.

Safety consequence

Adhesive failure may cause the vent portion of the window to detach, increasing the risk of a crash or injury.

Manufacturer remedy

Dealers will inspect the windows, and replace the vent if necessary, free of charge. Owner notification letters were mailed September 8, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000232.

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.nhtsa.gov.

Tire Valve Stem Extension May Become Damaged

NHTSA #20V559000 · Tires — Valve · NHTSA notice

Reported September 15, 2020 · Thor Motor Coach

Potentially affected: 1,631 vehicles

Thor Motor Coach campaign RC000204 · Owners notified November 2, 2020

Defect description

Thor Motor Coach (TMC) is recalling certain 2018-2021 Aria, Palazzo, Tuscany, and Venetian motorhomes built on a Daimler Trucks (DTNA) chassis. The tire valve stem extension for the inner wheel may contact the outer wheel rim opening and become damaged.

Safety consequence

Extensive damage to the valve stem extension may result in a loss of tire pressure of the inner wheel, increasing the risk of a crash.

Manufacturer remedy

TMC will notify owners, and DTNA dealers will inspect the inner wheel valve stem stabilizers, and adjust as needed and/or replace the inner valve stem, free of charge. The recall began November 2, 2020. Owners may contact TMC customer service at 1-800-524-5210 extension 104 or DTNA customer service at 1-800-547-0712. TMC's number for this recall is RC000204. DTNA's number for this recall is FL-861.

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 Aria model years

Check your 2021 Thor Motor Coach Aria VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Thor Motor Coach Aria at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

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