Navistar, Inc. (Navistar) is recalling certain model year 2014-2015 IC Bus AE school buses manufactured February 14, 2013, to March 10, 2014. A vehicle double battery jump start or electrical load dump event could result in an overvoltage condition of a component within the HVAC system linear power module (LPM) which is used to control the blower speed. The overvoltage condition could result in the overheating and failure of the LPM.
If the LPM overheats and fails, there is an increased risk of a fire.
Navistar will notify owners, and dealers will replace the LPM with an upgraded one, free of charge. The recall began on June 17, 2015. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 15510.
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.