{"nhtsa_id":10139999,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2017-03-01","document_id":"T01","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","mfr_system":null,"summary":"Customer Satisfaction Notification T01 Reprogram Powertrain Control Module The Powertrain Control Module (PCM) on about 15 of the above vehicles may have received PCM software containing calibration errors when recall S49 was performed. PCM software containing calibration errors may result in the radiator cooling fan producing excessive fan noise during operation. The PCM on involved vehicles must be reprogrammed with new software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10139999-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10139999-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10139999","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":"JEEP","model":"GRAND CHEROKEE","year_from":2014,"year_to":2015,"match":"exact","vehicle_ids":["2014_jeep_grand-cherokee","2015_jeep_grand-cherokee"]}],"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":[]}