AI Damage2020 Thor Motor Coach Omni: common problems
Owners of the 2020 Thor Motor Coach Omni filed 3 complaints with NHTSA, most often about structure and electrical system. The maker issued 2 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 3
- Technical service bulletins (TSB)
- 2
What fails most often
- 1 Structure 33% of all complaints
- 2 Electrical system 33% of all complaints
- 3 Equipment 33% of all complaints
- 4 Fuel/propulsion system 33% of all complaints
- Structure: 1 complaints (33% of all); manufacturer bulletins for this component: 1.
- Electrical system: 1 complaints (33% of all).
- Equipment: 1 complaints (33% of all).
- Fuel/propulsion system: 1 complaints (33% of all).
Symptoms owners describe
How many of the 3 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Structure | 1 | 0 | 1 |
| Electrical system | 1 | 0 | 0 |
| Equipment | 1 | 0 | 0 |
| Fuel/propulsion system | 1 | 0 | 0 |
| Visibility | 0 | 0 | 1 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Darn lucky that this did not injure or kill my family from fire or an explosion since the leak was about 4 feet from the furnace.
On the Thor forum noticed others with an Omni/Magnatude complaining of the front cap overhead bunk are coming loose from the coach, inspected mine and had the same issue going on, screws pushing out through the molding and my front cap also bounced a lot and rattled and heard loud popping noises coming from it.
Fuel fill system leaks possibly into coach area with the potential of a fire hazard. Fuel fill when stationary. Water leak when parked or moving.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 17,152 of 36,659 model years in the NHTSA data (top 47% most complained about).
On average one model year of the Omni has 1 complaints (5 years in the data). This year has 3, above average.
What to check before buying
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Fuel/propulsion system. Fuel smell, leaks, rough running, fuel-system codes.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- The windshield may not have been properly adhered to the vehicle during vehicle assembly
The windshield may not stay adequately retained in a crash, which may increase the risk of injury to an occupant. This affects the following Thor Motor Coach products: model year 2021/2022 Magnitude and Omni motorhomes.
- A topcoat sealant was provided by our vendor that did not meet Thor Motor Coach's standard for performance
This was used on 2019 & 2020 Magnitude and Omni Motorhomes. If the primary sealant does not provide sufficient coverage, the cabover window may experience water intrusion. The repair will be to remove the existing…
Other years of this model
Questions and answers
What are the most common problems with the 2020 Thor Motor Coach Omni?
Owner complaints to NHTSA most often mention: structure, electrical system, equipment. Total complaints: 3. The most frequent symptoms in complaint texts: smoke, burning smell, fire (67%), knocking, grinding or other noise (33%).
How many service bulletins (TSB) were issued for the 2020 Thor Motor Coach Omni?
NHTSA lists 2 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 2020 Thor Motor Coach Omni 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 2020 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.