{"vehicle":{"id":"2019_fiat_500x","year":2019,"make":"Fiat","model":"500X"},"code":"U0100","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"bulletins":[{"nhtsa_id":10221201,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-04-16","document_id":"1803921","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM:ADAS:CONTROL MODULE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTChas been set: P2110 - Electronic Throttle Control System Bank 1 - Forced Limited RPM. P2173 - High Airflow/Vacuum Leak Detected (Slow Accumulation). U0100 - Lost Communication With ECM/PCM. The following DTCs have been changed from a one trip fault to a two trip fault: P0607 - ECU Internal Performance. In addition, the customer may also experience the following: The vehicle will not crank if the ECM gets hotter than 50 °C (122°F).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221201-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221201-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221201"},{"nhtsa_id":10194054,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-05-24","date":"2021-04-16","document_id":"18-039-21","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTChas been set: P2110 - Electronic Throttle Control System Bank 1 - Forced Limited RPM. P2173 - High Airflow/Vacuum Leak Detected (Slow Accumulation). U0100 - Lost Communication With ECM/PCM. The following DTCs have been changed from a one trip fault to a two trip fault: P0607 - ECU Internal Performance. In addition, the customer may also experience the following: The vehicle will not crank if the ECM gets hotter than 50 °C (122°F).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194054-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10194054-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10194054"},{"nhtsa_id":10176582,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-06-22","date":"2020-05-19","document_id":"18-029-20 REV. A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ENGINE","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set:U0100 - Lost Communication With ECM/PCM. In addition, the customer may also experience the following: The vehicle will not crank if the ECM gets hotter than 50 °C (122°F).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176582-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10176582-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10176582"},{"nhtsa_id":10175584,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-26","date":"2020-03-27","document_id":"18-029-20","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set:U0100 - Lost Communication With ECM/PCM. In addition, the customer may also experience the following:The vehicle will not crank if the ECM gets hotter than 50 °C (122 °F).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175584-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175584-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175584"},{"nhtsa_id":10175171,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-18","date":"2020-03-27","document_id":"18-029-20","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set:U0100 - Lost Communication With ECM/PCM. In addition, the customer may also experience the following:The vehicle will not crank if the ECM gets hotter than 50 °C (122 °F).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175171-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175171-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175171"},{"nhtsa_id":10174251,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-04-27","date":"2020-03-27","document_id":"18-029-20","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE","summary":"Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set:U0100 - Lost Communication With ECM/PCM. In addition, the customer may also experience the following:The vehicle will not crank if the ECM gets hotter than 50 °C (122 °F).","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174251-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174251-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174251"}],"url":"https://open.wenmarpro.com/makes/fiat/500x/2019/bulletins?code=U0100"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/fiat/500x/2019/codes/U0100","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}