{"nhtsa_id":10161365,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-06-24","date":"2019-05-15","document_id":"N172130462 01","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"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-10161365-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161365-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10161365","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"hybrid-ev","name":"Hybrid and electric drive","parent":null},{"id":"traction-battery","name":"High-voltage battery","parent":"hybrid-ev"},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ELR","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_cadillac_elr","2015_cadillac_elr"]},{"make":"CHEVROLET","model":"VOLT","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_chevrolet_volt","2015_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":[]}