{"nhtsa_id":10139347,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-04","date":"2015-03-16","document_id":"PIP4840L","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN","mfr_system":null,"summary":"This Preliminary Information communication advises the technician that the 4ET50 electric variable automatic transmission assembly and component restriction for the 2011-2015 MY Chevrolet Volt and Cadillac ELR. Dealer will need to call General Motors Technical Assistance Center for further assistance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10139347-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10139347-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139347","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"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":2011,"year_to":2015,"match":"exact","vehicle_ids":["2011_chevrolet_volt","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":[]}