{"nhtsa_id":10030354,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2009-09-23","date":"2009-05-28","document_id":"TSB-0166-09","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:12V/24V/48V BATTERY","mfr_system":null,"summary":"TOYOTA: SOME VEHICLES MAY EXHIBIT A M.I.L. ON CONDITION WITH ONE OF MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS): P0AC0; P0A1F; P0A7F; P0AFA (HYBRID BATTERY PACK/SYSTEM). IMPROVEMENTS HAVE BEEN MADE TO THE HV ECU AND BATTERY ECU HARDWARE TO CORRECT THESE CONDITIONS. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10030354","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"battery","name":"12-volt battery","parent":"electrical"}],"codes":["P0A1F","P0A7F","P0AC0","P0AFA"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"PRIUS","year_from":2004,"year_to":2009,"match":"exact","vehicle_ids":["2004_toyota_prius","2005_toyota_prius","2006_toyota_prius","2007_toyota_prius","2008_toyota_prius","2009_toyota_prius"]}],"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":[]}