THOR MOTOR COACH ARIA (2020) recall — Exterior Lighting
Thor Motor Coach is recalling 2020 Aria motorhomes with non-working exterior lights that could increase crash risk. Owners will receive free PDM replacement.
Use caution until it’s fixed
Non-functioning exterior marker lights can increase the risk of a crash.
Contact the company & request your remedy
What happened, in plain English
Thor Motor Coach is recalling certain 2020 Aria motorhomes due to potential failure of rear marker lights, brake lights, or turn signals. This could increase crash risk if the lights don't work properly. Read more at govinfonow.com/recall/80096-thor-motor-coach-aria-2020-non-functioning-lights-increase-crash.
Source Summary by GovInfoNow · govinfonow.com/recall/80096-thor-motor-coach-aria-2020-non-functioning-lights-increase-crash · Updated October 5, 2026 · Official notice: NHTSA #20V418000
Cite this page
“Thor Motor Coach Aria 2020: Non-functioning lights increase crash risk.” GovInfoNow, updated October 5, 2026. https://govinfonow.com/recall/80096-thor-motor-coach-aria-2020-non-functioning-lights-increase-crash. Based on NHTSA recall #20V418000 (https://www.nhtsa.gov/recalls?nhtsaId=20V418000).
Why it’s dangerous
The rear Power Distribution Module (PDM) may have been damaged during manufacturing, causing rear marker lights, brake lights, or turn signals to stop working. This increases crash risk because these lights are critical for vehicle safety.
Who’s affected
Owners of 2020 Thor Motor Coach Aria motorhomes with non-functioning rear lights are affected. Drivers using these vehicles without working lights face higher crash risk.
How to tell if you have this one
Check if your 2020 Thor Motor Coach Aria has non-working rear lights. The recall covers vehicles that received an inspection-only remedy for recall 18V-763.
- Brand
Thor Motor Coach- Category
Vehicle
What to do — step by step
Check Lights
Verify if rear marker lights, brake lights, or turn signals are not functioning.
Contact TMC
Reach out to Thor Motor Coach customer service at 1-877-855-2867 for free PDM replacement.
What NHTSA says 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.
Questions people ask
Why is this recall happening?
The rear Power Distribution Module (PDM) may have been damaged during manufacturing, causing rear marker lights, brake lights, or turn signals to stop working.
How do I know if my vehicle is affected?
Check if your 2020 Thor Motor Coach Aria has non-working rear lights. The recall covers vehicles that received an inspection-only remedy for recall 18V-763.
What should I do if I have the affected vehicle?
Contact Thor Motor Coach customer service at 1-877-855-2867 for free PDM replacement.
Contact Thor Motor Coach
We’ve drafted a message you can send Thor Motor Coach to request your refund or repair — edit it as you like.
Subject: Recall 20V418000 — Thor Motor Coach Thor Motor Coach Hello, I own a Thor Motor Coach that is covered by recall 20V418000 from Thor Motor Coach. The official recall notice states: 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. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #20V418000 (July 20, 2020)
- Plain-language summary written by qwen3:4b on October 5, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.