THOR MOTOR COACH 2021 THOR MOTOR COACH QUANTUM Recall
Hazard assessment based on recall description.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2021 THOR MOTOR COACH QUANTUM
Brand
THOR MOTOR COACH
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2021
Thor Motor Coach is recalling certain 2021 THOR MOTOR COACH QUANTUM vehicles due to electrical system issues. Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
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.
Reported concern (NHTSA)
Water may get into the BIM/BIR and create electrical arcing, increasing the risk of a fire.
Recommended Action
Per NHTSA guidance
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.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026