NHTSA DATA SNAPSHOT · SEP 21 2026MODEL MATCH ≠ VIN MATCHCHECK A VIN AT NHTSA ↗
RECALLROADTHE CAMPAIGN RECORD

MODEL-YEAR RECALL REPORT

2019 Thor Motor Coach Aria recalls

NHTSA's September 21, 2026 snapshot lists 4 safety recall campaigns for the 2019 Thor Motor Coach Aria, spanning 6 component groups. A model match does not confirm that a specific VIN is included.

Official source: NHTSA recall campaign file · Snapshot September 21, 2026

Distinct campaigns4not VIN-specific
Component groups6distinct top-level categories
Latest recordJuly 8, 2021report received
VIN resultNot checkeduse official lookup

01 / OFFICIAL CAMPAIGNS

2019 Thor Motor Coach Aria recall campaigns

The 2019 Thor Motor Coach Aria report contains 4 distinct NHTSA campaigns; the most recently received record is campaign 21V522000 dated July 8, 2021.
CAMPAIGN

NHTSA 21V522000

Component
EQUIPMENT, STRUCTURE
Report received
July 8, 2021
Potential units
521campaign-wide
Defect and consequence

Defect: 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.

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

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.

Owner notification: September 8, 2021 · Filing manufacturer: Thor Motor Coach

Component
TIRES
Report received
September 15, 2020
Potential units
1,631campaign-wide
Defect and consequence

Defect: 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.

Why it matters: 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.

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.

Owner notification: November 2, 2020 · Filing manufacturer: Thor Motor Coach

Component
ELECTRICAL SYSTEM, EXTERIOR LIGHTING
Report received
July 20, 2020
Potential units
2,417campaign-wide
Defect and consequence

Defect: 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.

Why it matters: Non-functioning exterior marker lights can increase the risk of a crash.

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.

Owner notification: October 6, 2021 · Filing manufacturer: Thor Motor Coach

CAMPAIGN

NHTSA 20V167000

Component
SERVICE BRAKES, AIR
Report received
March 20, 2020
Potential units
85campaign-wide
Defect and consequence

Defect: 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.

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

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.

Owner notification: May 20, 2020 · Filing manufacturer: Thor Motor Coach

02 / COMPONENT BREADTH

What defects are listed for the 2019 Thor Motor Coach Aria?

The most frequent component groups in 2019 Thor Motor Coach Aria campaign records are Service Brakes, Air (1), Electrical System (1), Exterior Lighting (1), Tires (1), Equipment (1); these counts describe filed campaigns rather than observed failure rates.
Service Brakes, Air1
Electrical System1
Exterior Lighting1
Tires1
Equipment1

03 / MODEL-YEAR CONTEXT

How the 2019 Thor Motor Coach Aria compares across model years

RecallRoad publishes 2 model-year reports for the Thor Motor Coach Aria, spanning 2019–2020; each year keeps its NHTSA campaign count separate.
Open the complete Thor Motor Coach Aria model history →