Flash: Powertrain Diagnostic And System Enhancements
Fiat technical service bulletin 18-030-15 REV-B for 2016 Fiat 500.
- Bulletin number
- 18-030-15 REV-B
- Component
- 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). ? 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.
Owners of these vehicles have filed 3 complaints in the engine category.
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