2023 Thor Motor Coach Gemini problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control:cruise Control (1) · Structure (1)
Safety recalls (2)
Structure:critical Fasteners 2025-02-17 · campaign 25V097000 · 637 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2023 Gemini and Compass motorhomes. Washers were not installed with the roof mounting brackets.
Risk: Without washers, the solar panel can detach and become a road hazard, increasing the risk of a crash.
Fix: Dealers will inspect and install washers on the mounting brackets as necessary, free of charge. Owner notification letters were mailed February 26, 2025. Owners may contact TMC customer service at 877-855-2867. TMC's number for this recall is RC000322.
Equipment:recreational Vehicle/Trailer:lpg Systems:lines And Fittings 2022-05-05 · campaign 22V300000 · 3,374 vehicles
Defect: Thor Motor Coach (TMC) is recalling certain 2022 Scope, Tellaro, Sanctuary, Delano, Sequence, Tranquility, Rize, Synergy, Quantum, Magnitude, Geneva, Compass, Chateau, Four Winds, and 2022-2023 Tiburon, and Gemini vehicles. The quick disconnect fittings in the LP gas system may be cracked, causing a gas leak.
Risk: A gas leak in the presence of an ignition source can increase the risk of a fire.
Fix: Dealers will replace the quick disconnect fittings, free of charge. Owner notification letters were mailed June 27, 2022. Owners may contact TMC customer service at 1-877-855-2867.
Service bulletins (3)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure 2022-09-22 · TSB 22-12 · Service Bulletin/Repair Instructions
wood stiles are delaminating due to the vendor changing the glue used for the wrapped stiles.
Electrical System 2022-06-16 · TSB 22-08.1 · Service Bulletin/Repair Instructions
this is the print that is associated with the previous submission for tsb 22-08. i forgot to attach both documents
Electrical System 2022-06-16 · TSB 22-08 · Service Bulletin/Repair Instructions
gemini/compass e-start is not wired correctly.
What owners report
2025-03-14 · Structure · 1,478 mi“the contact owns a 2023 thor motor coach gemini. the contact stated that the wire connecting the solenoid to the generator was burned. the solenoid was making a cranking sound while turned off. the contact stated that the head bolts had fractured and detached on the side awning rails on both sides. the skylight window was leaking water into the cab…”
2023-01-24 · Vehicle Speed Control:cruise Control“purchased october 8 2022. vehicle is a 2023 thor gemini 24kb on a 2022 ford chassis. vehicle has been in for repair of these items for over 30 days. vehicle warning light notifications - antilock brake fault hill start assist warning pre-collision assist not available adaptive cruise control not available all wheel drive not available. it was vie…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.