2017–2020 Thor Motor Coach Aria, 2017–2019 Thor Motor Coach Palazzo, 2017–2020 Thor Motor Coach Tuscany and 2 other models Recall: Rear mounted Power Distribution Module (PDM) may have been damaged during…
NHTSA campaign 20V418000 · Exterior Lighting · filed Jul 20, 2020 · verified Jul 30, 2026
The 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.
The risk
Non-functioning exterior marker lights can increase the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
Related recalls
More Thor Motor Coach Aria recalls
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Other campaigns involving Thor Motor Coach vehicles
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All Thor Motor Coach Aria recalls → · All Thor Motor Coach recalls →
Source: NHTSA recall database, campaign 20V418000 (manufacturer number RC000196). Data last verified Jul 30, 2026.