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NHTSA vehicle safety data

2017 Thor Motor Coach A.C.E. Recalls & Complaints

The 2017 Thor Motor Coach A.C.E. has 4 NHTSA recall campaigns on file as of November 3, 2026. try.vin has no NHTSA owner complaints on file for the 2017 Thor Motor Coach A.C.E.. Recall repairs are usually free at an authorized Thor Motor Coach dealer.

NHTSA recall and complaint data for the 2017 Thor Motor Coach A.C.E.. Recall data is refreshed daily from NHTSA.

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NHTSA defect investigations

NHTSA's investigations file lists the 2017 Thor Motor Coach A.C.E. in 1 investigation. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.

Open and recently closed NHTSA defect investigations

Fire Extinguisher May Be Clogged or Inoperable

NHTSA #17V758000 · Equipment · NHTSA notice

Reported November 22, 2017 · Thor Motor Coach

Potentially affected: 110,400 vehicles

Repair completion: 11.81% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Owners notified January 15, 2018

Defect description

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

Safety consequence

In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

Manufacturer 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.

Notes

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.

Incorrect Hitch Weight Capacity on Label

NHTSA #17V239000 · Trailer Hitches · NHTSA notice

Reported April 10, 2017 · Thor Motor Coach

Potentially affected: 148 vehicles

Repair completion: 45.95% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Owners notified May 22, 2017 · Vehicles built January 12, 2017 – January 24, 2017 (per NHTSA)

Defect description

Thor Motor Coach (TMC) is recalling certain 2017 Ace, Hurricane, and Windsport motorhomes. The weight rating labels for the tow hitches on these vehicles indicate a 10,000lb weight capacity when the actual hitch capacity is 8,000lbs.

Safety consequence

If the hitch is loaded to the capacity on the label, the hitch may damage the motorhome or the hitch may disconnect from the tow vehicle, increasing the risk of the crash.

Manufacturer remedy

TMC will notify owners and provide them corrected labels, free of charge. The recall began on May 22, 2017. Owner's may contact TMC customer service at 1-877-500-1020.

Notes

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.

Shower Curtains may be Flammable/FMVSS 302

NHTSA #16V571000 · Equipment — Recreational Vehicle/Trailer · NHTSA notice

Reported August 2, 2016 · Thor Motor Coach

Potentially affected: 5,633 vehicles

Repair completion: 33.16% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Thor Motor Coach campaign RC000121 · Owners notified September 15, 2016 · Vehicles built February 1, 2012 – July 19, 2016 (per NHTSA)

Defect description

Thor Motor Coach (Thor) is recalling certain model year 2012-2017 Ace, 2013 Citation, 2012-2013 Siesta and 2017 Four Winds and Road Bear Rental motorhomes. The affected vehicles are equipped with shower curtains that may not adequately resist catching fire in the presence of an ignition source. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 302, "Flammability of Interior Materials."

Safety consequence

A flammable shower curtain may further fuel a fire, increasing the risk of injury.

Manufacturer remedy

Thor will notify owners, and dealers will replace the shower curtains with curtains made with fire retardant, free of charge. The recall began on September 15, 2016. Owners may contact Thor customer service at 1-877-500-1020. Thor's number for this recall is RC000121.

Notes

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.

Anchorage Strength Requirements/FMVSS 210

NHTSA #16V260000 · Seat Belts · NHTSA notice

Reported April 29, 2016 · Thor Motor Coach

Potentially affected: 32 vehicles

Repair completion: 46.88% (latest rate the manufacturer reported to NHTSA; dataset updated November 3, 2026)

Owners notified May 27, 2016 · Vehicles built February 11, 2016 – March 9, 2016 (per NHTSA)

Defect description

Thor Motor Coach (TMC) is recalling certain model year 2017 ACE and Road Bear Rental motorhomes manufactured February 11, 2016, to March 9, 2016. The seat belt anchorages located in the slide out section may not meet the specified strength requirements, allowing them to pull loose during a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages."

Safety consequence

If the seat belt anchorages pull loose in a crash, they will not properly restrain the occupant, increasing the risk of injury.

Manufacturer remedy

TMC will notify owners, and dealers will install reinforcement brackets, and plates, free of charge. The recall began on May 27, 2016. Owners may contact TMC customer service at 1-877-500-1020.

Notes

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.

Other Thor Motor Coach A.C.E. model years

Check your 2017 Thor Motor Coach A.C.E. VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Thor Motor Coach A.C.E. at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

Check a Thor Motor Coach VIN