2020 Thor Motor Coach ARIA: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
2 owner complaints analyzed
4 distinct recall campaigns
Not available median reported failure mileage
Scope: 2020 model year. Data snapshot: . 0 complaints include usable failure mileage.
Most common problems
Electrical System is the most frequently named component, appearing in 1 of 2 complaints (50.0%). A complaint can name multiple components.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Electrical System | 1 |
| Structure:Body | 1 |
Electrical System: 1; Structure:Body: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 2 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2022 | 1 |
| 2023 | 1 |
2022: 1; 2023: 1
Pattern summary
Electrical System leads the component reports. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11463931 · 2022-05-09 (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 F…
Owner-reported narrative. Look up ODI 11463931 at NHTSA ↗
Owner report 11547978 · 2023-10-03 (October 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: the…
Owner-reported narrative. Look up ODI 11547978 at NHTSA ↗
Recall history
4 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
20V167000 · Service Brakes, Air:Disc:Caliper
Reported: 2020-03-20 (March 20, 2020)
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.
Consequence: 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.
NHTSA campaign record ↗20V418000 · Exterior Lighting:Turn Signal | Exterior Lighting:Brake Lights | Electrical System
Reported: 2020-07-20 (July 20, 2020)
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.
Consequence: 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.
NHTSA campaign record ↗20V559000 · Tires:Valve
Reported: 2020-09-15 (September 15, 2020)
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.
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.
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.
NHTSA campaign record ↗21V522000 · Equipment:Recreational Vehicle/Trailer | Structure
Reported: 2021-07-08 (July 8, 2021)
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.
Consequence: 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.
NHTSA campaign record ↗