{"nhtsa_id":10139740,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2014-09-17","document_id":"24-008-14","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM","mfr_system":null,"summary":"HVAC Blower Intermittently Reduces Blower Speed When Set On High This bulletin involves selectively erasing and reprogramming the HVAC Module with new software. Customers may experience reduced blower speed when HVAC blower is set to high on MTC vehicles or while using high blower in manual mode on ATC vehicles. Updating the HVAC software will correct this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139740-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10139740-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139740","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"300","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_chrysler_300"]},{"make":"DODGE","model":"CHARGER","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_dodge_charger"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}