NHTSA vehicle safety data
2020 Thor Motor Coach redundant QUANTUM Recalls, Ratings & Complaints
The 2020 Thor Motor Coach redundant QUANTUM has 2 NHTSA recall campaigns and 0 owner complaints on file as of October 16, 2026. Recall repairs are usually free at an authorized Thor Motor Coach dealer.
NHTSA recall and complaint data for the 2020 Thor Motor Coach redundant QUANTUM. Recall data is refreshed daily from NHTSA.
ELECTRICAL SYSTEM
NHTSA #20V711000Reported November 17, 2020 · Thor Motor Coach
Potentially affected: 1,074 vehicles
Defect description
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.
Safety consequence
Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.
Manufacturer remedy
TMC will notify owners, and dealers will replace the BIM/BIR with a Trombetta solenoid, free of charge. The recall began January 13, 2021. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000206.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
AIR BAGS
NHTSA #20V444000Reported July 29, 2020 · Thor Motor Coach
Potentially affected: 463 vehicles
Defect description
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.
Safety consequence
If the wiring harness is damaged, the side air bag within the seat may deploy inadvertently or not deploy as designed in the event of a crash, increasing the risk of injury to vehicle occupants.
Manufacturer 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 13, 2020. Owners may contact Thor customer service at 1-877-855-2867 Mercedes-Benz customer service at 1-877-762-8267. Thor's number for this recall is RC000200.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Check your 2020 Thor Motor Coach redundant QUANTUM VIN
Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your Thor Motor Coach redundant QUANTUM at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.
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