NHTSA vehicle safety data

2019 Thor Motor Coach Palazzo Recalls & Complaints

The 2019 Thor Motor Coach Palazzo 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 Palazzo. Recall data is refreshed daily from NHTSA.

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2019 Thor Motor Coach Palazzo owner complaints

Owners have filed 2 complaints with NHTSA about the 2019 Thor Motor Coach Palazzo, describing incidents dated October 7, 2024 to September 5, 2025.

Most-cited components

Engine 1 complaint
Unknown or Other 1 complaint
Visibility/Wiper 1 complaint

Newest complaints

ODI #11759793 · Filed August 26, 2026
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…
ODI #11633262 · Filed December 30, 2024
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…

Read all 2 complaints

Front Lower Cap Brackets May Detach

NHTSA #23V113000 · Equipment — Recreational Vehicle/Trailer · NHTSA notice

Reported February 23, 2023 · Thor Motor Coach

Potentially affected: 1,969 vehicles

Repair completion: 23.77% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Thor Motor Coach campaign RC000291 · Owners notified March 15, 2023

Defect description

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.

Safety consequence

A detached bracket can become a road hazard, increasing the risk of a crash.

Manufacturer remedy

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.

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.

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.

try.vin has no NCAP crash-test rating on file for the 2019 Thor Motor Coach Palazzo. 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 Palazzo.

Visibility

ODI #11759793

Incident: September 5, 2025 · Filed: August 26, 2026

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 contact stated that the vehicle was initially taken to the dealer due to vandalism. Upon retrieving the vehicle, the dealer informed the contact that the window had not been replaced per the insurance company's instructions. The manufacturer was not notified of the failure. The failure mileage was approximately 13,000.

Engine and Engine Cooling; Unknown or Other

ODI #11633262

Incident: October 7, 2024 · Filed: December 30, 2024

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. It turns out that was not the problem. I tried to go on another trip a month later and I hot a low DEF signal. I was told it was a DEF head. Freightliner XCS chassis our having lots of issues with DEF. The def is for emissions and should not shut the engine down or debate the performance for an emussion issue.

Other Thor Motor Coach Palazzo model years

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