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Four Winds Montecito Recall 20V679: Overheating Transfer Switch Can Cause Motorhome Fire

NHTSA campaign 20V679, reported November 4, 2020, 59 vehicles potentially affected.

What this recall means for you

Certain 2010-2011 Four Winds Montecito motorhomes may have an Iota ITS-50R transfer switch that can fail from heat. The problem occurs when the switch is exposed to high electrical loads in higher ambient temperatures, and a failing switch can increase the risk of a fire.

If your motorhome is affected, stop using the transfer switch until it is replaced. Thor Motor Coach will notify owners, and authorized dealers will replace the Iota ITS-50R with a switch from a different brand at no cost to you. You can contact Thor Motor Coach customer service at 1-877-855-2867, referencing recall number RC000205. You should also check your vehicle identification number (VIN) for any open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 20V679Thor Motor Coach
Component
ELECTRICAL SYSTEM
Problem
Thor Motor Coach (TMC) is recalling certain 2010-2011 Four Winds Montecito 38D, 38E, 40J, 42B, 42C motorhomes, equipped with an Iota ITS-50R transfer switch. The transfer switch may experience a heat related failure due to being exposed to high electrical loads when used in higher ambient temperatures.
Risk
If the transfer switch continues to be used, it can increase the risk of a fire.
Remedy
TMC will notify owners, and dealers will replace the Iota ITS-50R transfer switch with a different brand of switch, free of charge. The recall began December 29, 2020. Owners may contact TMC customer service at 1-877-855-2867. TMC's number for this recall is RC000205.
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.

Affected vehicles

Four Winds Montecito20102011