{"nhtsa_id":10122052,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-08","date":"2017-09-29","document_id":"SIL 645","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:12V/24V/48V BATTERY","mfr_system":null,"summary":"This service information letter (SIL) requires replacement of the system BMS (Battery Management System) for improved battery charging and reliability. Some battery modules may have had components that were not properly soldered.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10122052-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10122052-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10122052","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"battery","name":"12-volt battery","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"ALTEC","model":"AA","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}