Flash: Powertrain Diagnostic and System Improvements
Fiat technical service bulletin 18-011-17 REV. B for 2017 Fiat 500X.
- Bulletin number
- 18-011-17 REV. B
- Component
- Electrical system: software
- Summary
- Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0703 - Brake Switch 2 Performance. U0418 - Invalid Data Received From Brake System Control Module. P0128-00 - Thermostat Rationality. P1185-00 - General Pressure Sensor Correlation. U1504-00 - Implausible Message Data Length Received From Steering Angle Sensor. In addition, the following software updates are available:Enhancements which allows the catalytic convertor to operate cooler. Change to reduce pressure fluctuations within the multi-air solenoid.
Owners of these vehicles have filed 7 complaints in the electrical category.
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