{"nhtsa_id":10170380,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-01-21","date":"2019-12-05","document_id":"21-026-19 REV. A","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following (DTC) has been set:P1614-00 - ECU Reset-Recovery Occurred. Customers may also experience excessive gear shifting above 120 kph (75 mph) at highway speeds.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10170380-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10170380-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10170380","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P1614"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_jeep_wrangler"]}],"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":[]}