{"nhtsa_id":10159567,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-05-13","date":"2019-03-28","document_id":"N172130462","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY","mfr_system":null,"summary":"N172130462 - Customer Satisfaction. Certain 2013 model year Chevrolet Volt vehicles equipped with a high voltage battery, may have a condition where it could gradually lose the ability to maintain voltage. If battery concerns are not addressed, over time the vehicle could enter a reduced propulsion mode while driving, or lose propulsion, or it may not start. Dealers are to update the Hybrid Powertrain Control Module 2 (HPCM2). This software update is intended to increase the amount of warning time provided.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10159567-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10159567-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10159567","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"battery","name":"12-volt battery","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"VOLT","year_from":2013,"year_to":2013,"match":"exact","vehicle_ids":["2013_chevrolet_volt"]}],"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":[]}