{"nhtsa_id":10166579,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-10-28","date":"2019-08-10","document_id":"24-009-19","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM","mfr_system":null,"summary":"Flash: Heating, Ventilation and Air Conditioning (HVAC) Module Updates This bulletin involves reprogramming the HVAC control module with the latest availablesoftware. The customer may experience the following: During start up, in cold ambient temperatures, the HVAC automatic temperaturecontroller will over heat the cabin temperature around 10-15 minutes into the drive. Customers will feel their upper body warmer than their lower body.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166579-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166579-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166579","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DODGE","model":"DURANGO","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_dodge_durango"]},{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_jeep_grand-cherokee"]}],"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":[]}