The 2019 Thor Palazzo has 3 NHTSA recall campaigns affecting an estimated 3,335 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the exterior lighting. Last updated July 5, 2026.
Recall campaigns
EQUIPMENT19V5040002019-06-301,554 affected
Defect
Thor Motor Coach (TMC) is recalling certain 2019-2020 Challenger, Miramar, Magnitude, Outlaw, Omni, and Palazzo motorhomes. The vehicle control system software may cause the slide-out room to move unexpectedly.
Consequence
Unexpected movement of the slide-out room can increase the risk of a injury.
Remedy
TMC will notify owners, and dealers will update the affected software, free of charge. The recall is expected to begin August 28, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000170.
SUSPENSION19V2000002019-03-1412 affected
Defect
Thor Motor Coach (TMC) is recalling certain 2018-2019 Aria, and 2019 Palazzo motorhomes built on a Daimler Trucks North America (DTNA) chassis equipped with Detroit Axle axles. The affected vehicles may have loose steering and tie rod arm bolts.
Consequence
Loose steering and tie rod arm bolts can cause separation of the tie rod arm from the front wheels, increasing the risk of a crash.
Remedy
TMC has notified owners, and DTNA dealers will inspect the steering arm and tie rod arm bolts for to make sure that they are properly tightened, installing new fasteners as necessary, free of charge. The recall began on March 15, 2019. Owners may contact Daimler Trucks North America at 1-800-547-0712 to locate a…
Thor Motor Coach (TMC) is recalling certain 2017 Tuscany XTE and 2017-2019 Venetian, Aria, Tuscany, and Palazzo motorhomes built on Freightliner Custom Chassis Corporation chassis. The Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake…
Consequence
Nonfunctioning lights can increase the risk of a crash.
Remedy
The remedy for this recall is still under development. Daimler Trucks North America, the manufacturer of the chassis began issuing owners an interim notification on October 24, 2018, and will send a second notification when parts become available. The recall began October 30, 2018. Owners may contact TMC customer…
Complaints by component
EXTERIOR LIGHTING
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“I have no rear tail lights and the left rear turn signal does not work. When I enter my vin to check for recalls, it says invalid parameter. I took it to freight liner of kc on april 18th, 2019, they kept it for 8 days, said it was not their problem, it was thor's problem, and required that I pay…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2019 Thor Palazzo as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.