Thor Motor Coach TRANQUILITY problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
3 owner complaints analyzed
4 distinct recall campaigns
Not available median reported failure mileage
Scope: 2022 to 2025 model years. Data snapshot: . 0 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Electrical System is the most frequently named component, appearing in 2 of 3 complaints (66.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 1 | 33.3% |
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.
| Category | Count |
|---|---|
| Electrical System | 2 |
| Electrical System:Alternator/Generator/Regulator | 2 |
| Equipment:Recreational Vehicle/Trailer | 1 |
| Unknown Or Other | 1 |
Electrical System: 2; Electrical System:Alternator/Generator/Regulator: 2; Equipment:Recreational Vehicle/Trailer: 1; Unknown Or Other: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 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: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 3 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.
| Category | Count |
|---|---|
| 2024 | 1 |
| 2026 | 2 |
2024: 1; 2026: 2
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.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11744774 · 2026-06-17 (June 17, 2026)
The aux alternator installed to charge the house battery is failing, making noise and almost starting the motorhome on fire. A quick search found EVERYONE with the Thor motorhomes with this alternator is having the same issues and Thor will do nothing about it. Many have installed multiple new alternators, and because the wiring gauge isn't big enough (also installed by Thor) the issues come up again, and again. Many people have been left stranded, many have had to put a fire out due to this defect. I contacted Thor and they are well aware of t…
Owner-reported narrative. Look up ODI 11744774 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
2022: 2; 2023: 2; 2024: 1; 2025: 1