Thor Quantum, model year 2017. Filed by Thor Motor Coach and reported to NHTSA on 20 April 2017. 36 vehicles potentially affected.
What the notice says Thor Motor Coach (TMC) is recalling certain 2017 Quantum KM24 motorhomes. The power supply wire for the steps was incorrectly attached to a 50 amp circuit breaker instead of being connected to a 20 amp circuit breaker.
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
TMC's own number for this recall: RC000135. That is the number on the owner letter and on the dealer paperwork. 17V264 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 17V264 cover?
- Thor Quantum, model year 2017.
- What is wrong with them?
- Thor Motor Coach (TMC) is recalling certain 2017 Quantum KM24 motorhomes. The power supply wire for the steps was incorrectly attached to a 50 amp circuit breaker instead of being connected to a 20 amp circuit breaker.
- What can happen if it is not put right?
- Should the step circuit be overloaded, the breaker may not trip as intended, increasing the risk of a fire.
- Is there a fix yet?
- Yes, and it is free. TMC will notify owners, and dealers will relocate the power wire for the steps to the correct breaker, free of charge. The recall began on June 2, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000135.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Tmc calls this recall RC000135, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “Should the step circuit be overloaded, the breaker may not trip as intended, increasing the risk of a fire.”
affected
in the notice
caught
| Campaign | 17V264 |
|---|---|
| Filed by | Thor Motor Coach |
| System at fault | Electrical System |
| Reported to NHTSA | 20 April 2017 |
| Model years | 2017-2017 |
| Vehicles named | THOR QUANTUM |
What the notice says today
The consequence
Should the step circuit be overloaded, the breaker may not trip as intended, increasing the risk of a fire.
The remedy
TMC will notify owners, and dealers will relocate the power wire for the steps to the correct breaker, free of charge. The recall began on June 2, 2017. Owners may contact TMC customer service at 1-877-500-1020. TMC's number for this recall is RC000135.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 1,836 notices in the record whose component field names electrical system. Across that group the median wait before owners were written to was 41 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 17V264, wording as read on 16 September 2026. https://carsmultiverse.com/recall/17v264/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other TMC notices we hold
- 25V792: 2024 Twist, 2023-2024 Dazzle, Scope, Rize, Sequence, and 2022-2024 Tellaro recreational
- 25V791: 2023-2024 Twist, Dazzle, 2023 Tranquility, Sanctuary, 2022-2024 Tellaro, Sequence, and 2024 Freedom Elite Van recreational
- 25V709: 2026 Geneva, 2025-2026 Quantum, Four Winds, Pasadena, Eddie Bauer, Chateau, Freedom Elite, and Coleman recreational
- 25V653: 2024-2025 Luminate and Indigo recreational
- 25V301: 2025-2026 TMC Outlaw motorhomes, equipped with a removable step assembly
- 25V097: 2023 Gemini and Compass motorhomes
- 24V666: 2024 Palladium and Talavera motorhomes
- 24V441: 2023-2024 Omni and Magnitude motorcoaches
All 109 TMC campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 17V264 on 23 August 2026, they were:
- Defect summary
8359fec1 - Consequence
625f900a - Remedy
410f5f9d
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 17V264 · how the whole register is watched
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