{"nhtsa_id":10166248,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-10-21","date":"2019-09-24","document_id":"N172130462 02","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"N172130462 02 - Customer Satisfaction Program - Certain 2012 - 2015 model year Chevrolet Volt vehicles and 2014 ? 2016 model year Cadillac ELR 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-10166248-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10166248-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10166248","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ELR","year_from":2014,"year_to":2016,"match":"exact","vehicle_ids":["2014_cadillac_elr","2015_cadillac_elr","2016_cadillac_elr"]},{"make":"CHEVROLET","model":"VOLT","year_from":2012,"year_to":2015,"match":"exact","vehicle_ids":["2012_chevrolet_volt","2013_chevrolet_volt","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":[]}