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2017 Thor Motor Coach ACEProblems, recalls & complaints

NHTSA has logged 3 owner complaints about the 2017 Thor Motor Coach ACE, most often about the electrical system. It is covered by 4 safety recalls, and for recall 17V-758 the manufacturer reports only 12% of affected cars repaired.

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CarFlaw IndexNot enough dataHigher is better (0–100)
Safety recalls4Lowest repair rate 12%Owner complaints30 with a crash, fire or injuryTypical failure mileage5kElectrical system, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 2, 2019. Updated daily.

Complaints by system

Where the 2017 Thor Motor Coach ACE has problems

3 complaints grouped by the system owners reported.

Box size = number of complaints naming that system. Darker = larger share. One complaint can name more than one system.
Complaints by system
SystemComplaintsCrash, fire or injury
Electrical system20
Latches/locks/linkages10
Structure10
Tires10

Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.

4 recalls

2017 Thor Motor Coach ACE recalls and how many were fixed

Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.

12%repaired · 2019 Q4

Equipment

Recall 17V-758 · Nov 22, 2017 · 110,400 vehicles · 13,035 repaired

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

Problem, fix and repair progress →

46%repaired · 2018 Q3

Other: labels

Recall 17V-239 · Apr 10, 2017 · 148 vehicles · 68 repaired

Risk. 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…

Problem, fix and repair progress →

31%repaired · 2017 Q4

Equipment: recreational vehicle/trailer

Recall 16V-571 · Aug 2, 2016 · 5,633 vehicles · 1,772 repaired

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

Problem, fix and repair progress →

47%repaired · 2017 Q3

Seat belts

Recall 16V-260 · Apr 29, 2016 · 32 vehicles · 15 repaired

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

Problem, fix and repair progress →

Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Thor Motor Coach.

Best & worst years

2017 vs. every other ACE year

Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the ACE median. How we score

'11'12'13'14'15'16'17'18'19'20'21'22'23
  • Avoid
  • Caution
  • Solid
  • Best
  • Not rated
1 investigation

NHTSA defect investigations

Federal investigations that included the 2017 Thor Motor Coach ACE, and the recalls they led to.

  1. Trimark 060-1650 Door Latch FailuresPE20021 · closed Dec 13, 2024
    No recall
In owners' words

What ACE owners report

Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.

TL* THE CONTACT OWNS A 2017 THOR ACE RV EQUIPPED WITH GOODYEAR G6T0RV TIRES, SIZE: 245/17/R19.5 (NA). WHILE DRIVING APPROXIMATELY 55 MPH AND TOWING A TRAILER WITH A COMPACT VEHICLE INSIDE, THE REAR PASSENGER SIDE INSIDE DUAL TIRE SUDDENLY EXPERIENCED A BLOWOUT. DURING THE TIRE BLOWOUT, WIRES…
Complaint 11123170 · Aug 29, 2018 · 5,000 miles
THE ELECTRICAL WIRING WITHIN THE MOTOR COACH IS NOT TO NFPA'S NATIONAL ELECTRICAL CODE NOR IS IT WIRED TO THOR'S OWN FACTORY SPECIFICATIONS. IN ADDITION, THE APPLIANCES WITHIN THE COACH ARE NOT WIRED TO THE SPECIFICATIONS OF THE APPLIANCE MANUFACTURER. OUR MOTOR COACH EXPERIENCED A SHORTED WIRE IN…
Complaint 11084963 · Apr 13, 2018

Own a 2017 ACE?

Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.