{"nhtsa_id":10133305,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-04-16","date":"2018-02-13","document_id":"A871885 2044717_","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; BACK OVER PREVENTION","mfr_system":null,"summary":"This bulletin provides instructions on correcting a high-pitched buzzing noise in the cabin when the fan speed is no higher than 2.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10133305-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10133305-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10133305","components":[{"id":"driver-assistance","name":"Driver assistance","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"backup-camera","name":"Backup camera","parent":"driver-assistance"}],"codes":[],"topics":[],"vehicles":[{"make":"AUDI","model":"A6","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_audi_a6","2013_audi_a6","2014_audi_a6","2015_audi_a6"]},{"make":"AUDI","model":"A7","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_audi_a7","2013_audi_a7","2014_audi_a7","2015_audi_a7"]}],"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":[]}