{"nhtsa_id":10155458,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-01","date":"2013-05-01","document_id":"2012FA06B Rev A","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; POWER TRAIN","mfr_system":null,"summary":"Calibration update to improve C5 clutch operation and replacement of C5 clutch-plate friction plate.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10155458-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10155458-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10155458","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALLISON","model":"1000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"ALLISON","model":"2000 SERIES TRANSMISSION","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}