NHTSA vehicle safety data

2019 Thor Motor Coach Aria Recalls & Complaints

The 2019 Thor Motor Coach Aria has 4 NHTSA recall campaigns and 2 owner complaints 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 2019 Thor Motor Coach Aria. Recall data is refreshed daily from NHTSA.

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2019 Thor Motor Coach Aria owner complaints

Owners have filed 2 complaints with NHTSA about the 2019 Thor Motor Coach Aria, describing incidents dated April 8, 2021 to September 8, 2026.

Most-cited components

Unknown or Other 2 complaints
Electrical System 1 complaint
Structure 1 complaint
Visibility/Wiper 1 complaint

Of the 2 complaints on file, 1 reports a crash (owner-reported, not verified by NHTSA).

Newest complaints

ODI #11766786 · Filed September 24, 2026
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 to…
ODI #11407069 · Filed April 8, 2021
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…

Read all 2 complaints

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.

Damaged Circuit Board May Affect Lighting Function

NHTSA #20V418000 · Exterior Lighting — Brake Lights · NHTSA notice

Reported July 20, 2020 · Thor Motor Coach

Potentially affected: 2,417 vehicles

Thor Motor Coach campaign RC000196 · Owners notified October 6, 2021

Defect description

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.

Safety consequence

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

Manufacturer remedy

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.

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.

Insufficiently Tightened Brake Caliper Bolts

NHTSA #20V167000 · Service Brakes, Air — Disc — Caliper · NHTSA notice

Reported March 20, 2020 · Thor Motor Coach

Potentially affected: 85 vehicles

Thor Motor Coach campaign RC000186 · Owners notified May 20, 2020

Defect description

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.

Safety consequence

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

Manufacturer remedy

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.

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.

try.vin has no NCAP crash-test rating on file for the 2019 Thor Motor Coach Aria. NHTSA rates some vehicles by body style — pickups by cab, vans by roof height — so check nhtsa.gov/ratings.

2 owner complaints have been filed with NHTSA for the 2019 Thor Motor Coach Aria.

Visibility; Unknown or Other

ODI #11766786

Incident: September 8, 2026 · Filed: September 24, 2026

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 to keep them from flying off ... This is a serious safety issue with this motorhome and she is only 7 years old

Electrical System; Structure; Unknown or Other

ODI #11407069

Crash

Incident: April 8, 2021 · Filed: April 8, 2021

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 PULLED OUT OF THE FUELING LANE, THE AWNING CAUGHT THE PUMP AND DAMAGED IT.

Other Thor Motor Coach Aria model years

Check your 2019 Thor Motor Coach Aria VIN

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