2020 Thor Motor Coach Aria recalls and problems

The 2020 Thor Motor Coach Aria has 4 safety recalls and 2 owner complaints filed with NHTSA. Recall repairs are free at any Thor Motor Coach dealer.

Recalls
4
Complaints
2
Crashes / fires
0 / 0
Injuries / deaths
0 / 0

Recalls may cover only some 2020 Thor Motor Coach Aria vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2020 Thor Motor Coach Aria recalls

Recall 21V-522: Equipment, Structure

Reported Jul 8, 2021 · 521 vehicles affected · Thor Motor Coach

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.

Recall 20V-559: Tires

Reported Sep 15, 2020 · 1,631 vehicles affected · Thor Motor Coach

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.

Recall 20V-418: Exterior Lighting, Electrical System

Reported Jul 20, 2020 · 2,417 vehicles affected · Thor Motor Coach

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.

Recall 20V-167: Service Brakes, Air

Reported Mar 20, 2020 · 85 vehicles affected · Thor Motor Coach

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.

2020 Thor Motor Coach Aria problems reported by owners

Problem areaReports
Structure1
Electrical System1

Most reported parts

  • Structure › Body — 1

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 2020 Thor Motor Coach Aria complaints

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

Electrical System · reported Oct 3, 2023
Four times while driving, the STOP ENGINE light came on causing the vehicle to slow to 5 MPH--twice while I was on the freeway in busy traffic--very hazardous. Two different error codes showed after the check engine light came on and then after I stopped and restarted the engine a few hours later, the check engine lights turned off. I took it to a Freightliner repair dealer and the accelerator pedal was defective. I only had 9000+ miles on the vehicle. The error codes were: spn 2623 FMI: 4 oc:6 sa:0 and Spn 91: Spn: 2 oc:3 sa:0. Note: these codes totally reset as if nothing was wrong.
Structure · reported May 9, 2022
The fresh water tank, which was only half full of water, broke through the floor allowing the tank to drop down to the road. I was pulling into a gas station to fill up with fuel. Luckily it happened before I got on the interstate and would have been traveling at a higher rate of speed. The tank is located in front of the rear dual tires on the pasenger side of the motorhome. At a higher speed, if the tank dragging on the ground would have come loose I would have run over the tank which probably would have caused loosing control or even flipping the motorhome over on its side. The floor…

Other Thor Motor Coach Aria years

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

Frequently asked questions

Does the 2020 Thor Motor Coach Aria have any recalls?

Yes — NHTSA lists 4 recalls for the 2020 Thor Motor Coach Aria: 21V-522 (equipment, structure), 20V-559 (tires), 20V-418 (exterior lighting, electrical system), 20V-167 (service brakes, air). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2020 Thor Motor Coach Aria?

Owners report structure problems most often (1 reports), followed by electrical system (1).

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.