{"nhtsa_id":10137008,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-21","date":"2014-03-19","document_id":"18-020-14","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Control Module Body Control Module And Instrument Cluster Interface Enhancements to Improved Transmission Performance This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM), Body Control Module (BCM), and the Instrument Panel Cluster (IPC) with new software. Customer may desire refined transmission gear selection performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10137008-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10137008-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10137008","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FIAT","model":"500L","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_fiat_500l"]}],"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":[]}