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2015 Thor Motor Coach ACEProblems, recalls & complaints

NHTSA has logged 5 owner complaints about the 2015 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 complaints51 with a crash, fire or injuryTypical failure mileage21kElectrical system, median miles

Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through January 14, 2025. Updated daily.

Complaints by system

Where the 2015 Thor Motor Coach ACE has problems

5 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 system21
Structure20
Latches/locks/linkages10

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

4 recalls

2015 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 →

44%repaired · 2018 Q4

Visibility: windshield wiper/washer

Recall 17V-555 · Sep 7, 2017 · 1,105 vehicles · 490 repaired

Risk. If the windshield wipers cannot be used, driver visibility would be reduced, increasing the risk of a crash.

Problem, fix and repair progress →

25%repaired · 2018 Q3

Visibility: windshield wiper/washer

Recall 17V-162 · Mar 13, 2017 · 8,617 vehicles · 2,189 repaired

Risk. Failure of the windshield wipers may impair the driver's visibility, increasing the risk of a crash.

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 →

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

2015 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 2015 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.

We have been experiencing multiple issues with the electrical system in our RV. There was a serious safety event to took place, where the wiring box under the bed created smoke and we could smell plastic burning. When investigated by my husband, he found that the box under the bed that housed all…
Complaint 11635895 · Jan 14, 2025
AFTER SMELLING A BURNT SMELL, I INVESTIGATED AND FOUND BURNT AND MELTED WIRE NUTS WITHIN THE POWER TRANSFER SWITCH. NUMEROUS SAME ISSUES ARE REPORTED ON THE THOR RV BLOG SITE. IT APPEARS THAT THEH WIRE NUTS COMMONLY USED IN HOUSEHOLD CONSTRUCTION COME LOOSE WHEN USED IN A MOVING VEHICLE.
Complaint 11114432 · Jul 29, 2018 · 21,000 miles

Own a 2015 ACE?

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