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Thor Motor Coach Gemini Recalls & Complaints by Model Year

NHTSA lists 8 safety recalls and 6 owner complaints across 7 model years of the Thor Motor Coach Gemini (2016–2023). The most-complained-about year is 2018.

8
safety recalls, all years
6
owner complaints, all years
2020
year with most recalls
2018
year with most complaints

Pick your Thor Motor Coach Gemini model year

Model yearRecallsComplaints
2023 Thor Motor Coach Gemini22
2022 Thor Motor Coach Gemini11
2021 Thor Motor Coach Gemini01
2020 Thor Motor Coach Gemini40
2018 Thor Motor Coach Gemini22
2017 Thor Motor Coach Gemini20
2016 Thor Motor Coach Gemini20

What Thor Motor Coach Gemini owners complain about

Across all model years, owners have filed 6 complaints with NHTSA. The 2018 model year has the most, with 2.

All Thor Motor Coach Gemini recalls (8)

Every NHTSA safety campaign that lists a Thor Motor Coach Gemini, most recent first, with the model years each one covers.

  1. Critical fasteners (structure) and solar panel (equipment)

    NHTSA 25V097000 Reported 637 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2023 Gemini and Compass motorhomes. Washers were not installed with the roof mounting brackets.

    Remedy: 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…

    Model years: 2023

  2. Lines and fittings (equipment)

    NHTSA 22V300000 Reported 3,374 vehicles potentially affected Thor Motor Coach

    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.

    Remedy: 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.

    Model years: 2022, 2023

  3. Seats and 2 other components

    NHTSA 20V444000 Reported 463 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (Thor) is recalling certain 2020-2021 Daybreak, Four Winds, Quantum, Delano, Tiburon, Chateau and Freedom Elite motorhomes and 2020 Gemini, Chateau Citation, Compass, Siesta, and Synergy motorhomes built on Sprinter Van chassis (platform 970 (VS30), equipped with swivel seats. The wiring harnesses for the front seats…

    Remedy: Thor will notify owners, and Mercedes-Benz dealers will inspect the wire harness routing for both front seats and will repair the wiring and add clips or cable ties as needed, free of charge. This recall began August…

    Model years: 2020

  4. Glass, side/rear (visibility)

    NHTSA 20V339000 Reported 71 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2020-2021 ACE, 2021 Four Winds and 2020 Gemini, Axis, Compass, Delano, Windsport, Hurricane, Outlaw, and Vegas motorhomes. The adhesive bond between the glass and the metal hinge frame of the frameless windows may fail which would then allow the glass to detach and fall out.

    Remedy: TMC will notify owners, and dealers will inspect the frameless windows for proper adhesive bond strength, replacing the windows as necessary, free of charge. The recall began July 10, 2020. Owners may contact TMC…

    Model years: 2020

  5. Underbody shields (structure) and hoses, lines/piping, and fittings (service brakes)

    NHTSA 20V312000 Reported 566 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes Benz Sprinter chassis [platform 907 (VS30)]. The rear part of the fender liner on the front axle may contact and chafe the brake…

    Remedy: TMC will notify owners, and an authorized Mercedes-Benz dealer will inspect the brake hoses for chafing and replacement if necessary. The fender liner will also be altered to permit more clearance. All repairs will be…

    Model years: 2020

  6. Automatic transmission (power train) and owners/service/other manual (equipment)

    NHTSA 20V308000 Reported 566 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2020 Daybreak, Four Winds, Delano, Gemini, Quantum, Tiburon, Chateau Citation, Compass, Chateau, Siesta, Freedom Elite, and Synergy motorhomes built on Mercedes-Benz Sprinter chassis [platform 907 (VS30)] equipped with automatic transmissions. The owner's manual does not correctly specify the…

    Remedy: TMC will notify owners, and a Mercedes Benz dealer will supplement the Operator's Manual with a correct description of the Auto-P function equipped in the vehicle. This recall began June 25, 2020. Owners may contact…

    Model years: 2020

  7. Electrical system: wiring

    NHTSA 18V415000 Reported 158 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (TMC) is recalling certain 2016-2018 Thor Gemini and Compass recreational vehicles built on a Ford chassis and equipped with a trailer tow module. Water can enter the tow modules and corrode the wiring causing issues such as rapidly flashing turn signals, loss of instrument panel display, an electrical short and…

    Remedy: Ford has notified owners, and Ford dealers will add a drainage hole in the driver's door stepwell and incorporate a fuse into the vehicle's wiring harness, free of charge. The recall began on June 19, 2018. Owners may…

    Model years: 2016, 2017, 2018

  8. Equipment

    NHTSA 17V758000 Reported 110,400 vehicles potentially affected Thor Motor Coach

    Thor Motor Coach (Thor) is recalling various 2003-2018 recreational vehicles, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. See a list of the affected trailer models at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V758-5764.pdf. These extinguishers may become clogged, preventing the extinguisher…

    Remedy: Thor will notify owners, instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began on January 15, 2018. Owners may contact Thor customer service at 1-877-500-1020, or Kidde…

    Model years: 2016, 2017, 2018

Other Thor Motor Coach models

Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.