2026 Thor Motor Coach Palladium: common problems
The maker issued 4 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 4
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 1 |
| Engine | 0 | 0 | 1 |
| Other | 0 | 0 | 2 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- It has been discovered the DC/DC Charger may not have the correct (LiFePO4) type of house batteries selected
Constant exposure to improper charging will result in incomplete charging and/or premature battery aging.
- It has been discovered the DC/DC Charger may have been wired backwards
If the charger wires are reversed, it is preventing the chassis alternator from charging the house batteries.
- Thor Motor Coach (TMC) has been made aware of an emergency WARNING label adhered in error to the interior…
Thor Motor Coach (TMC) has been made aware of an emergency WARNING label adhered in error to the interior slider door window on the Ford and Mercedes chassis. The label instructions ONLY pertain to the RAM ProMaster…
- Thor Motor Coach (TMC) has been made aware of an emergency WARNING label adhered in error to the interior…
Thor Motor Coach (TMC) has been made aware of an emergency WARNING label adhered in error to the interior slider door window on the Ford and Mercedes chassis. The label instructions ONLY pertain to the RAM ProMaster…
Other years of this model
Questions and answers
What are the most common problems with the 2026 Thor Motor Coach Palladium?
There are no owner complaints in the NHTSA data for this year; the data comes from 4 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2026 Thor Motor Coach Palladium?
NHTSA lists 4 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2026 Thor Motor Coach Palladium from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2026 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.