Fiat 500 2015 — technical service bulletin
Bulletin 1805814a · NHTSA communication 10229923 · issued Dec 23, 2014
Technical service bulletin
communication type
Electrical System
component
2015
model years
1
vehicle entries
Official summary
Flash: MIL Illumination, P0141 Oxygen Sensor 1/2 Heater Performance This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. The customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find Diagnostic Trouble Code (DTC) P0141 Oxygen Sensor 1/2 Heater Performance. Improved reverse lamp activation time (auto trans only).
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.