# P104A on the 2014 Fiat 500

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.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P104A

- [10217395](https://open.wenmarpro.com/bulletins/10217395), 2022-08-08: Flash: 1.4L Diagnostic And System Improvements 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 one or more of the following Diagnostic Trouble Codes \(DTCs\): ? Cranks fast, as if no compression. ? P1524 \- Oil Pressure Out Of Range \- Camshaft Advance/Retard Disabled \(2014 Vehicles only\). ? P1128 \- Closed Loop Fueling Not Achieved \- Bank 1 Upstream \(2014 Vehicles only\). ? P0141 \- Oxygen Sensor 1/2 Heater Performance \(2015 Vehicles only\). ? P1046 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P061A Internal Control Module Torque Performance \(2014 Vehicles only\). ? Improved reverse lamp activation time \(2015 auto trans only\). ? Improved cold weather starting, below \-4 °F \(\-20 °C\).
- [10216157](https://open.wenmarpro.com/bulletins/10216157), 2022-07-25: Flash: 1.4L Diagnostic And System Improvements 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 one or more of the following Diagnostic Trouble Codes \(DTCs\): ? Cranks fast, as if no compression. ? P1524 \- Oil Pressure Out Of Range \- Camshaft Advance/Retard Disabled \(2014 Vehicles only\). ? P1128 \- Closed Loop Fueling Not Achieved \- Bank 1 Upstream \(2014 Vehicles only\). ? P0141 \- Oxygen Sensor 1/2 Heater Performance \(2015 Vehicles only\). ? P1046 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P061A Internal Control Module Torque Performance \(2014 Vehicles only\). ? Improved reverse lamp activation time \(2015 auto trans only\). ? Improved cold weather starting, below \-4 °F \(\-20 °C\).
- [10151738](https://open.wenmarpro.com/bulletins/10151738), 2018-12-17: Flash: 1.4L Diagnostic And System Improvements 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 one or more of the following Diagnostic Trouble Codes \(DTCs\): ? Cranks fast, as if no compression. ? P1524 \- Oil Pressure Out Of Range \- Camshaft Advance/Retard Disabled \(2014 Vehicles only\). ? P1128 \- Closed Loop Fueling Not Achieved \- Bank 1 Upstream \(2014 Vehicles only\). ? P0141 \- Oxygen Sensor 1/2 Heater Performance \(2015 Vehicles only\). ? P1046 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P061A Internal Control Module Torque Performance \(2014 Vehicles only\). ? Improved reverse lamp activation time \(2015 auto trans only\). ? Improved cold weather starting, below \-4 °F \(\-20 °C\).
- [10149702](https://open.wenmarpro.com/bulletins/10149702), 2018-12-03: Flash:1.4L Diagnostic And System Improvements 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 Codes \(DTCs\): ? P1046 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P0141 Oxygen Sensor 1/2 Heater Performance. ? P061A Internal Control Module Torque Performance \(2014 Vehicles only\). ? Improved reverse lamp activation time \(2015 auto trans only\). ? Improved cold weather starting, below \-4 °F \(\-20 °C\).
- [10148991](https://open.wenmarpro.com/bulletins/10148991), 2018-11-26: Flash:1.4L Diagnostic And System Improvements 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 one or more of the following Diagnostic Trouble Codes \(DTCs\): ? P0141 Oxygen Sensor 1/2 Heater Performance \(software has been updated to better address this DTC, for EAB engines\). ? P1046 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. ? P1048 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. ? P104A \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. ? P104C \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent. ? P061A Internal Control Module Torque Performance \(2014 Vehicles only\). ? Improved reverse lamp activation time \(2015 auto trans only\). ? Improved cold weather starting, below \-4 °F \(\-20 °C\).
- [10121933](https://open.wenmarpro.com/bulletins/10121933), 2017-11-03: Flash: 1.4L 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 one or more of the following Diagnostic Trouble Codes \(DTCs\): · P0141\-00 \- Oxygen Sensor 1/2 Heater Performance. · Improved reverse lamp activation time. · Cranks fast, as if no compression. · P1524\-00 \- Oil Pressure Out Of Range \- Camshaft Advance/Retard Disabled \(2014 Vehicles only\). · P1128\-00 \- Closed Loop Fueling Not Achieved \- Bank 1 Upstream \(2014 Vehicles only\). · P1046\-00 \- Cylinder 1 Oil Supply Solenoid Valve Overcurrent. · P1048\-00 \- Cylinder 2 Oil Supply Solenoid Valve Overcurrent. · P104A\-00 \- Cylinder 3 Oil Supply Solenoid Valve Overcurrent. · P104C\-00 \- Cylinder 4 Oil Supply Solenoid Valve Overcurrent. · P061A\-00 Internal Control Module Torque Performance \(2014 Vehicles only\). · Improved cold weather starting, below \-20 °C \(\-4 °F\). The following powertrain system improvement/enhancement has been released to improve the accuracy of Mode 6 data parameters in generic scan tools.