{"nhtsa_id":10156739,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-08","date":"2014-04-30","document_id":"8-1K2K-07 Rev A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","mfr_system":null,"summary":"Informs the service channel that it may find and download the appropriate calibration for a replacement TCM for GMT 560 Calibration using a VIN look-up tool.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10156739-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10156739-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10156739","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","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":[]}