{"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,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"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","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0133","P0171","P050D","U0402"],"topics":[],"vehicles":[{"make":"FIAT","model":"500","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_fiat_500"]}],"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":[]}