{"nhtsa_id":10163736,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-08-12","date":"2019-07-17","document_id":"SB-19-16-010","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:12V/24V/48V BATTERY","mfr_system":null,"summary":"The HV battery on some Model 3 vehicles might produce a subtle \"thunk\" noise when ascending or descending a mountain, or during Supercharging in colder climates. The \"thunk\" noise occurs when the air pressure outside the battery is different than the air pressure inside battery. The \"thunk\" noise does not indicate a fault or affect the performance of the HV battery.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163736-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163736-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10163736","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"battery","name":"12-volt battery","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"TESLA","model":"MODEL 3","year_from":2018,"year_to":2019,"match":"exact","vehicle_ids":["2018_tesla_model-3","2019_tesla_model-3"]}],"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":[]}