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U.S. public vehicle records

2015 Thor Motor Coach ACE: complaints, problems and recalls

Explore the records behind recurring owner reports.

Key facts

5 owner complaints analyzed

4 distinct recall campaigns

20,500 mi median reported failure mileage

Scope: 2015 model year. Data snapshot: . 4 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

Electrical System is the most frequently named component, appearing in 2 of 5 complaints (40.0%). A complaint can name multiple components.

Recurring terms in complaint narratives
TopicMatching reportsShare of complaints
Electrical and battery issues120.0%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Electrical System
2
Latches/Locks/Linkages:Doors:Latch
1
Structure:Body
1
Structure:Body:Door
1
Component breakdown data
CategoryCount
Electrical System2
Latches/Locks/Linkages:Doors:Latch1
Structure:Body1
Structure:Body:Door1

Electrical System: 2; Latches/Locks/Linkages:Doors:Latch: 1; Structure:Body: 1; Structure:Body:Door: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
3
25,000 to 49,999
1
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
CategoryCount
Under 25,0003
25,000 to 49,9991
50,000 to 74,9990
75,000 to 99,9990
100,000 to 149,9990
150,000 and above0

Under 25,000: 3; 25,000 to 49,999: 1; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0

Under 25,000 miles has the most reports with usable mileage (3). 1 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2017
1
2018
3
2025
1
Complaints over time data
CategoryCount
20171
20183
20251

2017: 1; 2018: 3; 2025: 1

Pattern summary

Electrical System leads the component reports. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Examples from the source records

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 11021492 · 2017-09-05 (September 5, 2017)

TL* THE CONTACT OWNS A 2015 THOR MOTOR COACH ACE. WHEN THE CONTACT ATTEMPTED TO OPEN THE MAIN ENTRANCE DOOR, THE LATCHED FAILED TO OPEN AND FRACTURED. THE CONTACT HAD TO USE PLIERS TO GET THE LOCK TO TURN, BUT FAILED. THE CONTACT MENTIONED THAT THE DOOR KNOB WAS MADE OF CAST ZINC. HE ATTEMPTED TO REMOVE THE SCREW, BUT THE DOOR FAILED TO OPEN. THE DEALER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 15,000. THE VIN WAS UNAVAILABLE.

Owner-reported narrative. 15,000 miles reported. Look up ODI 11021492 at NHTSA ↗

Owner report 11098056 · 2018-05-26 (May 26, 2018)

DOOR LATCH FAILED. WAS NOT ABLE TO EXIT VEHICLE. LATCH BROKE SO THAT LEVERS DID NOT ACTUATE THE LATCH.

Owner-reported narrative. 20,000 miles reported. Look up ODI 11098056 at NHTSA ↗

Owner report 11099648 · 2018-05-31 (May 31, 2018)

CSPC: RV DOOR LATCH BROKE. WAS NOT ABLE TO EXIT THE VEHICLE. LATCH FRACTURED AND COULD NOT BE ACTUATED BY THE HANDLES. *DT *JS *TT

Owner-reported narrative. 25,000 miles reported. Look up ODI 11099648 at NHTSA ↗

Owner report 11114432 · 2018-07-29 (July 29, 2018)

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.

Owner-reported narrative. 21,000 miles reported. Look up ODI 11114432 at NHTSA ↗

Owner report 11635895 · 2025-01-14 (January 14, 2025)

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 the wires for the RV had burn marks on the inside of the box and the wires and wire caps had melted. Then we started having issues with the generator not working, and were unable to use the generator. We had to pull the generator and taken it too a gen…

Owner-reported narrative. Look up ODI 11635895 at NHTSA ↗

Recall history

4 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.

16V571000 · Equipment:Recreational Vehicle/Trailer

Reported: 2016-08-02 (August 2, 2016)

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."

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

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.

NHTSA campaign record ↗
17V162000 · Visibility:Windshield Wiper/Washer

Reported: 2017-03-13 (March 13, 2017)

Thor Motor Coach (TMC) is recalling certain 2014-2015 ACE, Hurricane, Challenger, Daybreak, Miramar, Outlaw, and Windsport motorhomes. These vehicles have windshield wiper systems that may have been improperly installed and secured, possibly causing the wipers to fail during use.

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

Remedy: TMC has notified owners, and dealers will inspect and tighten the wiper arm securing nuts, free of charge. The recall began on May 5, 2017. Owners may contact TMC customer service at 1-877-855-2867.

NHTSA campaign record ↗
17V555000 · Visibility:Windshield Wiper/Washer

Reported: 2017-09-07 (September 7, 2017)

Thor Motor Coach (TMC) is recalling certain 2014-2016 Ace, Challenger, Daybreak, Hurricane, Miramar, Outlaw, Windsport, Palazzo, Tuscany, and Tuscany XTE motorhomes. The windshield wipers may fail due to the system being incorrectly installed or secured.

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

Remedy: TMC will notify owners, and dealers will inspect the wiper system to verify it is installed correctly, repairing or replacing the system as necessary, free of charge. The recall began on September 27, 2017. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000146. Note: Although some of the vehicles included in this recall have previously been remedied under recalls 17V-096 or 17V-162, the vehicles may need additional repairs under this campaign.

NHTSA campaign record ↗
17V758000 · Equipment

Reported: 2017-11-22 (November 22, 2017)

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

Consequence: 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.

NHTSA campaign record ↗