2017 Thor Motor Coach Challenger problems, complaints & recalls
Updated from NHTSA data · How we count
Owners have filed 2 complaints with NHTSA about the 2017 Thor Motor Coach Challenger, most often about body & structure. There are 5 recalls for this model year.
- Complaints
- 2
- Recalls
- 5
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Median mileage
- 19,100 mi at time of problem
Key facts
- Body & Structure is the most-reported problem area, named in 2 of 2 complaints (100%).
- Half of the complaints that list mileage happened before 19,100 mi.
- The 2017 Thor Motor Coach Challenger has 5 recalls on file.
- NHTSA has opened 1 defect investigation covering this vehicle.
- It ranks 6th of 9 Thor Motor Coach Challenger model years by our severity-weighted complaint score (1st = worst).
2017 Thor Motor Coach Challenger problems by category
- Body & Structure2 complaints
A complaint can mention more than one problem area, so categories add up to more than the total.
Most-reported components
| Component (as filed with NHTSA) | Complaints |
|---|---|
| Structure | 1 |
| Structure:body | 1 |
When problems happen (mileage)
2017 Thor Motor Coach Challenger recalls (5)
- STRUCTURE:BODY:DOOR
Thor Motor Coach (TMC) is recalling certain 2017 Challenger, Miramar, and Outlaw motorhomes. The external compartment outer door skin may separate from the motorhome during transit.
Risk: A door skin that separates during transit can become a road hazard, increasing the risk of a crash.
Remedy: Dealers will inspect the compartment door skin and replace the door as necessary, free of charge. Owner notification letters were mailed December 28, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000247.
- VISIBILITY
Thor Motor Coach (TMC) is recalling certain 2017-2019 Thor Challenger, Miramar, and Outlaw motorhomes. The motorized windshield roller shade at the driver's seating position may unroll without warning while driving.
Risk: If the windshield roller shade unrolls while driving, it could block the driver's visibility, increasing the risk of a crash.
Remedy: TMC will notify owners, and dealers will install a fastener to ensure the motor will not allow the shade to roll down during while driving. The recall began January 10, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000165.
- EQUIPMENT
Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V758-5764.pdf. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or excessive force may be needed to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf
Risk: In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.
Remedy: Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018. Owners may contact Thor customer service at 1-877-500-1020, or Kidde customer service toll-free at 1-855-262-3540, or online at www.kidde.com and click on "Product Safety Recall" for more information.
- EQUIPMENT:OTHER:LABELS
Thor Motor Coach (TMC) is recalling certain 2017-2018 Challenger, Axis, Chateau, Four Winds, Hurricane, Miramar, Palazzo, Tuscany, Vegas, Venetian, and Windsport motorhomes. The cargo carrying capacity (CCC) label on these vehicles may indicate an incorrect water capacity for the water heater/fresh water tank. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 120, "Tires and Rims for Motor vehicles over 10,000lbs."
Risk: If the water capacity information is incorrect and it causes the vehicle to be over loaded, there would be an increased risk of a crash.
Remedy: TMC will notify owners and send them corrected labels, free of charge. The recall began on November 15, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000147.
- EQUIPMENT:RECREATIONAL VEHICLE/TRAILER
Thor Motor Coach (Thor) is recalling certain 2017 Challenger 37YT motorhomes. The exhaust pipe from the onboard gasoline generator may be mislocated or missing completely on the subject vehicles.
Risk: Without a correctly installed generator exhaust pipe, there may be a buildup of carbon monoxide within the interior of the vehicle, increasing the risk of personal injury or death.
Remedy: TMC will notify owners, and dealers will inspect the motorhomes for proper generator exhaust installation and routing, replacing or reinstalling the exhaust, as necessary, free of charge. The recall began on August 3, 2017. Owner's may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000138.
NHTSA defect investigations
- PE20021Opened Nov 23, 2020Closed Dec 13, 2024
Trimark 060-1650 Door Latch Failures
On November 23, 2020, the Office of Defects Investigation (ODI) opened PE20021 to investigate allegations of inoperative Trimark THP 060-1650 door lock/latches originally equipped on model years (MY) 2015-2017 Class A and Class C motorhomes.ODI received forty-six Vehicle Owner’s Questionnaires (VOQs) describing consumers being locked in or out of their vehicles.The door latch, containing a die-cast zinc plunger, was produced by Equality during calendar years 2014-2016. The die-cast may become porous and brittle over time and can break without warning, causing the vehicle owner to be unable to …
Recent 2017 Thor Motor Coach Challenger complaints
Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.
- Filed Sep 6, 2022PABody & Structure
My 2017 THOR Challenger was part of NHTSA recall 21V-845. I made repairs to my coach in 2017 and 2018 totaling $4600. I have sent THOR all pictures and receipts from those repairs. I started the process in March 2022. Last week they informed me it is not a Thor recall, and I would have to deal with the company that manufactured the doors for them. I have included recent correspondence with them. I can, if you request, send all my receipt and pictures for the repairs that i…
NHTSA complaint #11483059 · source - Filed Nov 15, 202119,100 miFLBody & Structure
The contact owns a 2017 Thor Challenger Motorhome. The contact stated that while driving at 65 MPH, an abnormally loud banging sound was heard and another vehicle honked the contact, alerting him to look in the rearview mirror. The contact noticed styrofoam flying from the motorhome and the external compartment door flapping open. The contact pulled over and examined the RV and became aware that one of the external compartment door skin had separated from the glue. The…
NHTSA complaint #11440444 · source
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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 11, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology