{"vehicle":{"id":"2016_fiat_500","year":2016,"make":"Fiat","model":"500"},"code":"P0171","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10150531,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2015-04-14","document_id":"18-030-15","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; ENGINE","summary":"Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P0171 - Fuel System 1/1 Lean ? P050D - Cold Start Rough Idle","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150531-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10150531-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10150531"},{"nhtsa_id":10149669,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-03","date":"2015-07-08","document_id":"18-030-15 REVA","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? U0402 - implausible data received from TCM ? P0133 - O2 sensor 1/1 slow response ? P0171 - Fuel System 1/1 Lean ? P050D - Cold Start Rough Idle In addition, customers may experience one or more of the following concerns: ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10149669-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10149669-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10149669"},{"nhtsa_id":10148678,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-19","date":"2015-09-23","document_id":"18-030-15 REV-B","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, OTHER","summary":"Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? U0402 - Implausible Data Received From TCM. ? P0133 - O2 Sensor 1/1 Slow Response. ? P0171 - Fuel System 1/1 Lean. ? P050D - Cold Start Rough Idle. In addition, customers may experience one or more of the following concerns: ? Clatter or ticking noise from the engine at idle. ? RPM flare at cold start. ? Less than desired idle performance. ? Cold engine RPM surge with gear engagement.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148678-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148678-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10148678"}],"url":"https://open.wenmarpro.com/makes/fiat/500/2016/bulletins?code=P0171"},"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/500/2016/codes/P0171","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."]}