2019 Thor Motor Coach Palazzo problems, complaints & recalls
Most-reported problem areas: Visibility:glass, Side/Rear (1)
Safety recalls (4)
Equipment:recreational Vehicle/Trailer 2023-02-23 · campaign 23V113000 · 1,969 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2015-2023 Palazzo recreational vehicles. The front lower cap brackets that support the front fiberglass panel may become loose and detach from the vehicle while in motion.
Risk: A detached bracket can become a road hazard, increasing the risk of a crash.
Fix: Dealers will inspect and replace the front lower brackets, as necessary, free of charge. Owner notification letters were mailed March 15, 2023. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000291.
Equipment:recreational Vehicle/Trailer 2021-07-08 · campaign 21V522000 · 521 vehicles
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.
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:valve 2020-09-15 · campaign 20V559000 · 1,631 vehicles
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.
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 2020-07-20 · campaign 20V418000 · 2,417 vehicles
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.
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 bulletins (1)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure 2021-01-13 · TSB 20-08 · Service Bulletin/Repair Instructions
the overhead cabinets located above the driver and front passenger seats may become loose during travel. this technical service bulletin will be gathering information regarding this possible concern and will provide guidance on how to ensure the overhead cabinets are properly secured in the motor
What owners report
2026-08-26 · Visibility:glass, Side/Rear · 13,000 mi“the contact owns a 2018 fcc rv000042s. the contact stated that while driving at an undisclosed speed, the driver's side rear window independently detached and flew off. the rv was taken to the dealer, where the contact was informed that the driver's side rear window was defective and needed to be replaced. the rv was repaired. additionally, the con…”
2024-12-30 · Unknown Or Other“driving down the highway and the def check engine light came on. it indicated to pull over and shut down immediately. i was on a highway that had long 7% grade hills with minimal places to pull over in arizona mou tain range. i was able to make it home after engine debated. took to a freightliner dealer and paid 4400.00 to have def pump replaced…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.