T-TT-0051-10 Rev
Service Bulletin Details
Public Details for: T-TT-0051-10 Rev
If a customer states there is an unpleasant odor in the vehicle from the hvac system, there are various factors that may be involved.
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Tech Tip T-TT-0051-10 September 13, 2013 Subject Market USA Causes Of HVAC Odor Service Category Section Vehicle Interior Heating/Air Conditioning Applicability All Models APPLICABLE VEHICLES 2007-2014 2008-2014 2007-2014 2009-2014 2012-2014 Camry Highlander Tundra Matrix RAV4 EV 2012-2014 2004-2014 2009-2014 2004-2014 2012-2014 2007-2014 Prius V Avalon Venza Yaris Prius C Camry HV 2007-2014 2010-2014 2004-2014 2013-2014 2008-2011, 20132014 2008-2014 2006-2014 2010, 2012-2014 2004-2014 2008-2014 2009-2014 FJ Cruiser Prius Sienna Avalon HV Land Cruiser Sequoia RAV4 Prius PHV Tacoma Highlander HV Corolla CONDITION If a customer states there is an unpleasant odor in the vehicle from the HVAC system, there are various factors that may be involved. RECOMMENDATIONS When diagnosing HVAC odors it is important to remember the following possible causes: During use, various odors from inside and outside the vehicle may enter into and accumulate in the air conditioning system. This may then cause odor to be emitted from the vents. Odors coming from the outside air and interior can accumulate on the evaporator. As the evaporator core changes temperature, some of these odors may be released resulting in an unpleasant smell from the HVAC vents. Interior odors from sources such as air fresheners, animals, dirt, or trash can also accumulate within the HVAC system and contribute unpleasant odors. Tech Tip Ver. 1.0 2/9/2010 T 10/13/2013 Rev1 © 2012, Toyota Motor Sales, USA Page 1 of 2 Tech Tip T-TT-0051-10 September 13, 2013 Subject Market Causes Of HVAC Odor USA Applicability All Models RECOMMENDATIONS Tech Tip Setting the air conditioning system to the outside air (FRESH) mode prior to turning the vehicle OFF can help to minimize these odors from accumulating. 10/13/2013 Rev1 © 2012, Toyota Motor Sales, USA Page 2 of 2