{"nhtsa_id":10113014,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-04-29","document_id":"PIP5021A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"This Preliminary Information communication advises the technician that the Allison 6 Speed Automatic Transmission Assembly part numbers 24257850, 24242411, 24258552, 24258551, 24257851, 24242413, 24258554, and 24258553 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10113014-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10113014-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10113014","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2012,"year_to":2013,"match":"base","vehicle_ids":["2012_chevrolet_silverado","2013_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 3500","year_from":2013,"year_to":2013,"match":"base","vehicle_ids":["2013_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 2500","year_from":2012,"year_to":2013,"match":"base","vehicle_ids":["2012_gmc_sierra","2013_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2012,"year_to":2013,"match":"base","vehicle_ids":["2012_gmc_sierra","2013_gmc_sierra"]}],"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":[]}