{"nhtsa_id":10218194,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-22","date":"2014-11-11","document_id":"21-034-14-2","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Flash: 948TE 9 Speed Shift Enhancements And Quick Learn Enable This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The following TCM calibration update is being released to enable the new wiTECH based ?Transmission Quick Learn? procedure to be performed anytime the transmission adaptation memory cells are cleared or when addressing customer concerns of poor shift quality. It is also being released to improve transmission downshift response time during normal driving.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10218194-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10218194-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218194","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHRYSLER","model":"200","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chrysler_200"]},{"make":"JEEP","model":"CHEROKEE","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_jeep_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":[]}