{"nhtsa_id":10162533,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-07-15","date":"2019-05-03","document_id":"08-034-19","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL","mfr_system":null,"summary":"Flash: Active Noise Cancellation (ANC) Module Enhancements This bulletin involves updating the ANC system with the latest available software. Customer may describe the following:Hearing a booming, humming, muffled or pulsing noise, inside the cabin.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162533-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10162533-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10162533","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_ram_2500"]}],"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":[]}