The 2017 Thor Motor Coach Aria has 1 NHTSA recall campaign affecting an estimated 2,417 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 3 complaints with NHTSA, most often about the structure. Last updated July 5, 2026.
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…
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.
Complaints by component
STRUCTURE:BODY
1
UNKNOWN OR OTHER
1
VISIBILITY/WIPER
1
Total complaints3
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Lower compartment ( basement) bay floors are rotting due to moisture infiltration from the road while driving in the rain. The floors are bulging underneath and present a road hazard if stored cargo is thrown to the road endangering other motorists. Thor is aware of the problem and does nothing to…”
“Tl* the contact owns a 2017 thor aria. The contact stated that the vehicle's side view mirrors were detaching from the vehicle. The contact took the vehicle to the dealer (travel trailer center inc, 1001 little kanawah river rd, parkserburg, west virginia; [REDACTED]) who replaced the screws and…”
“Tl* the contact owns a 2017 thor aria. The contact stated that the vehicle's side view mirrors were detaching from the vehicle. The contact took the vehicle to the dealer (travel trailer center inc, 1001 little kanawah river rd, parkserburg, west virginia; [REDACTED]) who replaced the screws and…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2017 Thor Motor Coach Aria as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.