{"nhtsa_id":10138647,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-29","date":"2014-02-25","document_id":"PI1051A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"This preliminary bulletin provides a procedure to reprogram the TCM to correct the customers concern of a bump feel when shifting from drive to reverse.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10138647-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10138647-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10138647","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SILVERADO 2500","year_from":2011,"year_to":2014,"match":"base","vehicle_ids":["2011_chevrolet_silverado","2012_chevrolet_silverado","2013_chevrolet_silverado","2014_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":2011,"year_to":2014,"match":"base","vehicle_ids":["2011_gmc_sierra","2012_gmc_sierra","2013_gmc_sierra","2014_gmc_sierra"]},{"make":"GMC","model":"SIERRA DENALI","year_from":2011,"year_to":2013,"match":"base","vehicle_ids":["2011_gmc_sierra","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":[]}