2019 Thor Motor Coach Aria Problems, Complaints & Recalls

Source: NHTSA · Updated Sep 24, 2026 · 2 owner complaints analyzed

Compared with other Aria years
Not enough data 2nd of 7 for complaints
NHTSA crash rating
Not rated

Owners have filed 2 complaints with NHTSA about the 2019 Thor Motor Coach Aria. That ranks 2nd out of 7 Aria model years for complaints. The most reported problem area is unknown or other (2 complaints, 100%), typically at around 7,800 miles. Complaints mention 1 crash. There are 4 safety recalls covering this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2019 Thor Motor Coach Aria problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Unknown or Other2 · ~7,800 mi
Electrical System1 · ~7,800 mi
Structure1 · ~7,800 mi
Visibility1
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Unknown or Other2100%7,800——
Electrical System150%7,800——
Structure150%7,800——
Visibility150%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2021, with 1 complaints
2021: 1202112026: 120261

n = 2 complaints · Source: NHTSA

2019 Thor Motor Coach Aria recalls (4)

Tap a recall to see the problem, the risk and the fix.

Equipment:recreational vehicle/trailer; structureJul 8, 2021 · NHTSA campaign 21V522000 · 521 vehicles

Problem: 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.

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

Fix: 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.

Tires:valveSep 15, 2020 · NHTSA campaign 20V559000 · 1,631 vehicles

Problem: 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.

Risk: 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.

Fix: 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.

Exterior lighting:turn signal; exterior lighting:brake lights; electrical systemJul 20, 2020 · NHTSA campaign 20V418000 · 2,417 vehicles

Problem: Thor Motor Coach (TMC) is recalling certain 2017-2020 Aria, Venetian and Tuscany, 2017 Tuscany XTE and 2017-2019 Palazzo motorhomes vehicles that received an inspection-only remedy for recall 18V-763. The rear mounted Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.

Risk: Non-functioning exterior marker lights can increase the risk of a crash.

Fix: TMC will notify owners, and Daimler Trucks dealers will replace the PDM, free of charge. Owner letters were mailed October 6, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000196.

Service brakes, air:disc:caliperMar 20, 2020 · NHTSA campaign 20V167000 · 85 vehicles

Problem: Thor Motor Coach (TMC) is recalling certain 2019-2020 Aria 3401, 3601, 3901, 3902, and Venetian G36, J40, L40, M37, R40, and S40 motorhomes built on DTNA chassis. The brake caliper mounting bolts may have been insufficiently tightened.

Risk: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.

Fix: DTNA will notify owners, and DTNA dealers will inspect and repair the vehicles, free of charge. The recall began on May 20, 2020. Owners may contact DTNA customer service at 1-800-547-0712 or TMC customer service at 1-877-855-2867.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

I have had 2 side windows fly off my motorhome while on the road .. did not see them fly.off but we're gone when I got to my destination ... There is another one ready to fly off ... The adhesive holding the bottom of the window has failed ... Have secured the remaining windows with rope and tape…

Unknown or Other · received Sep 24, 2026 · NHTSA complaint 11766786

When we restarted the engine of our motor coach after fueling, the awning automatically extended. It it not supposed to be possible to extend the awning while the engine is on. We were also told there is a safety feature that will not allow the vehicle to drive with the awning extended. When we…

Structure · received Apr 8, 2021 · NHTSA complaint 11407069

Other Thor Motor Coach Aria years

← 2018 Aria · 2020 Aria →

YearComplaintsRecalls
2024 Aria10
2022 Aria30
2021 Aria12
2020 Aria24
201924
2018 Aria12
2017 Aria21

See all Thor Motor Coach Aria problems by year, every Thor Motor Coach model, or the VIN decoder.

Similar Thor Motor Coach models

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Frequently asked questions

What are the most common problems with the 2019 Thor Motor Coach Aria?

Owners most often report unknown or other, electrical system, structure problems. The top one, unknown or other, accounts for 2 complaints.

Was there a recall on the 2019 Thor Motor Coach Aria?

Yes, 4 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2019 Thor Motor Coach Aria a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Aria model years, the 2019 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.