Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 1 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Equipment. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Fuel/propulsion System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
3 reports
Mileage unknown · Dec 15, 2021
Structure
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. Contacted Thor an…
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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. Contacted Thor and their response was, I am out of my 1 year warranty by a few months and they were not going to cover it under the structural warranty. I took the molding off the outside of the coach that covers the screws that hold the front cap on, there are 10 on each side, on the left side found 7 broke off and the other 3 had backed out, on the right side found 6 broke off and the other 4 backed out. Found multiple holes where screws were put in and broke off from using screw guns. Removed the interior trim and bunk to find the screws that attach the cab to the cap, found small self tapping screws screwed into thin sheet metal, also found the aluminum frame for the bunk was only tack welded together in spots and the welds were coming apart. Where the cap attaches on the roof found all of the screws backing out through the sealant. Where the cap overlaps the side of the coach there was no sealant/adhesive. This is a dangerous situation that could cause the front cap to come off while driving that could cause a wreck. The cap is attached very poorly.
NHTSA ODI #11443950
Mileage unknown · Dec 15, 2021
Equipment
While on the Thor Forum I noticed a topic on the Omni/Magnatude motorhome of a recall on the propane line passing through the left rear leaf spring, mine was not listed in the recall but wanted to check and make sure that my propane hose did not pass through that area, it did not. This RV has used propane up a little faster than…
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While on the Thor Forum I noticed a topic on the Omni/Magnatude motorhome of a recall on the propane line passing through the left rear leaf spring, mine was not listed in the recall but wanted to check and make sure that my propane hose did not pass through that area, it did not. This RV has used propane up a little faster than our previous motor homes so while I was under the RV decided to inspect the hoses, found where the hose passes over the frame it was being pinched by the coach floor above and the frame below, while trying to move it back a few inches to an open area the hose would not move, got a flashlight and was looking for what was holding and saw nothing, thought maybe it had some glue on it and tried to slide a screw driver above it and hit something, pushed the hose down and shined the light above it and found where Thor during assembly ran a screw through the floor and right through the hose, found my propane leak. Contacted Thor and told them about it through email, their response was, thank you for bringing it to our attention and we are going to pass it on to improve their assembly process. No bring it in to have it fixed/inspected or we will reimburse you for any out of pocket expenses to have it fixed. 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.
NHTSA ODI #11443948
725 miles · Jul 24, 2019
Electrical SystemFuel/propulsion System
WATER LEAKS MIGRATING INTO CHASSIS ELECTRICAL SYSTEM AND A MOLD CREATING HAZARD. 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.
Thor Motor Coach (TMC) is recalling certain 2020-2021 Omni and Magnitude motorhomes. The LP gas line may have been incorrectly routed through the rear suspension leaf springs, which could damage the line and cause a gas leak.
Consequence & remedy
Consequence: A gas leak increases the risk of a fire.
Remedy: Dealers will re-route the LP line as needed, free of charge. Owner notification letters were mailed March 24, 2022. Owners may contact TMC customer service at 1-877-798-855-2867. TMC's number for this recall is RC000256. This recall is an expansion of NHTSA recall 21V-754.
Thor Motor Coach (TMC) is recalling certain 2019-2020 Magnitude and Omni motorhomes. The seat recliner mechanisms may be missing the third pawl required for seat back strength, resulting in a loose seat back. These vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202, "Head Restraints" and 207, "Seating Systems."
Consequence & remedy
Consequence: Improperly assembled recliner mechanism may have reduced strength and may not adequately restrain an occupant in a crash, increasing the risk of injury.
Remedy: Ford has notified TMC owners, and Ford dealers will inspect the seat structures and replace them, as necessary, free of charge. The recall began October 21, 2019. Owners may contact Ford customer service at 1-866-436-7332 or TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000178.
Thor Motor Coach (TMC) is recalling certain 2019-2020 Omni and Magnitude motorhomes. The battery tray may be improperly welded to the chassis frame, allowing the battery tray to detach from the chassis.
Consequence & remedy
Consequence: If the battery tray detaches from the chassis, the battery may discharge, causing the vehicle to stall and increasing the risk of a crash.
Remedy: TMC has notified owners, and dealers will weld on an additional support to the battery tray, free of charge. The recall began August 8, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000171.
Thor Motor Coach (TMC) is recalling certain 2019-2020 Challenger, Miramar, Magnitude, Outlaw, Omni, and Palazzo motorhomes. The vehicle control system software may cause the slide-out room to move unexpectedly.
Consequence & remedy
Consequence: Unexpected movement of the slide-out room can increase the risk of a injury.
Remedy: TMC will notify owners, and dealers will update the affected software, free of charge. The recall is expected to begin August 28, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000170.
Thor Motor Coach (TMC) is recalling certain 2019-2020 Magnitude, Omni motorhomes, models BB35 and BH35. Wires located in the electrical junction box may move around and contact an extra screw that was errantly installed.
Consequence & remedy
Consequence: Contact with the screw may result in the wiring insulation being damaged, increasing the risk of an electrical short circuit and a fire.
Remedy: TMC will notify owners, and dealers will inspect the junction box and remove the extra screw, and repair any damaged wiring, as necessary, free of charge. The recall began July 15, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000169.
Thor Motor Coach (TMC) is recalling certain 2018 Thor Chateau and Four Winds motorhomes and 2019-2020 Magnitude and Omni motorhomes. The backup camera displays may revert back to the factory default settings which may cause the camera image to be reversed.
Consequence & remedy
Consequence: If the monitor displays the image in reverse, the driver may unintentionally turn in the wrong direction, increasing the risk of crash.
Remedy: TMC will notify owners, and dealers will install a harness to install that will prevent the image from inverting, free of charge. The recall began April 30, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000168.
Additional source detail variants (2)
Visibility:rearview Mirrors/devices:interior
Thor Motor Coach (TMC) is recalling certain 2018 Thor Chateau and Four Winds motorhomes and 2019-2020 Magnitude and Omni motorhomes. The backup camera displays may revert back to the factory default settings which may cause the camera image to be reversed.
Consequence: If the monitor displays the image in reverse, the driver may unintentionally turn in the wrong direction, increasing the risk of crash.
Remedy: TMC will notify owners, and dealers will install a harness to install that will prevent the image from inverting, free of charge. The recall began April 30, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000168.
Visibility:rearview Mirrors/devices
Thor Motor Coach (TMC) is recalling certain 2018 Thor Chateau and Four Winds motorhomes and 2019-2020 Magnitude and Omni motorhomes. The backup camera displays may revert back to the factory default settings which may cause the camera image to be reversed.
Consequence: If the monitor displays the image in reverse, the driver may unintentionally turn in the wrong direction, increasing the risk of crash.
Remedy: TMC will notify owners, and dealers will install a harness to install that will prevent the image from inverting, free of charge. The recall began April 30, 2019. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000168.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0
No exact-year investigations in this snapshot.
2020 Thor Motor Coach Omni Problems, Complaints & Recalls | Skip That Year