{"nhtsa_id":10233386,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-03-31","date":"2023-03-31","document_id":"N232399010-01","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"Service Update Revision: Certain vehicles may experience an intermittent loss of communication with the Transmission Control Module (TCM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over-the-air (OTA) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates. Dealers will perform a TCM module reprogramming.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233386-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10233386-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10233386","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"CT4","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_cadillac_ct4"]},{"make":"CADILLAC","model":"CT5","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_cadillac_ct5"]},{"make":"CADILLAC","model":"ESCALADE","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_cadillac_escalade"]},{"make":"CADILLAC","model":"ESCALADE ESV","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_cadillac_escalade-esv"]},{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_chevrolet_silverado"]},{"make":"CHEVROLET","model":"SUBURBAN","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_chevrolet_suburban"]},{"make":"CHEVROLET","model":"TAHOE","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_chevrolet_tahoe"]},{"make":"GMC","model":"SIERRA 1500","year_from":2023,"year_to":2023,"match":"base","vehicle_ids":["2023_gmc_sierra"]},{"make":"GMC","model":"YUKON","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_gmc_yukon"]},{"make":"GMC","model":"YUKON XL","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_gmc_yukon-xl"]}],"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":[]}