2021 Thor Motor Coach Quantum recalls
4 NHTSA recall campaigns naming the 2021 Thor Motor Coach Quantum. Last verified Jul 30, 2026. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Units are totals reported across campaigns mentioning this model — NHTSA does not always break unit counts down by model.
Affected components
Nearby model years
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Campaigns
- Nov 17, 2020Fire risk2020–2021 Thor Motor Coach Daybreak, 2021 Thor Motor Coach Four Winds, 2020–2021 Thor Motor Coach Freedom Elite and 4 other models — Electrical System
Thor Motor Coach (TMC) is recalling certain 2020-2021 Daybreak, Four Winds, Chateau, Freedom Elite, Quantum motorhomes built on a Chevrolet chassis. The BIM (Battery Isolation Manager)/BIR (Battery Isolation Relay) is not watertight when exposed to engine compartment heat.
20V711000 · 1K units · Thor Motor Coach
- Jul 29, 2020Crash risk2020 Thor Motor Coach Chateau Citation, 2020 Thor Motor Coach Compass, 2020–2021 Thor Motor Coach Daybreak and 11 other models — Seats
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 may have been routed incorrectly and could become jammed and damaged in the swivel seat frames.
20V444000 · 463 units · Thor Motor Coach
- Jul 20, 2020Fire risk2021 Thor Motor Coach Chateau, 2021 Thor Motor Coach Daybreak, 2021 Thor Motor Coach Four Winds and 2 other models — Electrical System
Thor Motor Coach (TMC) is recalling certain 2021 Daybreak, Four Winds, Quantum, Chateau, and Freedom Elite motorhomes built on the 2020 Ford E-Series chassis. The battery cable may not have been properly secured within the chassis rail, which can cause it to contact the exhaust manifold and heat shield.
20V419000 · 63 units · Thor Motor Coach
- May 27, 2020Crash risk2020 Thor Motor Coach Axis, 2020–2021 Thor Motor Coach Chateau, 2020–2021 Thor Motor Coach Four Winds and 2 other models — Electronic Stability Control (esc)
Thor Motor Coach (TMC) is recalling certain 2020-2021 Quantum, Chateau and Four Winds, and 2020 Vegas and Axis motorhomes built on a Ford E-series chassis. A wire harness in the rear of the vehicle may contact the vehicle frame, resulting in damage to the circuits that support the fuel pump and the anti-lock braking system (ABS).
20V303000 · 34 units · Thor Motor Coach