{"nhtsa_id":10174253,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-04-27","date":"2020-03-27","document_id":"21-027-20","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY","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 one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0780 - Gear Shift Malfunction. P1DD2-00 - Torque Request Signal From TCM Denied. Customers or technicians may experience the following: Transmission will be placed into Limp-in mode. While driving at 65 kph (40 mph) a bump will be felt and the RPM will jump to 4000 RPM.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174253-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174253-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174253","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P0780","P1DD2"],"topics":[],"vehicles":[{"make":"FIAT","model":"500X","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_fiat_500x"]}],"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":[]}