# P1D7F on the 2017 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 P1D7F

- [10121802](https://open.wenmarpro.com/bulletins/10121802), 2017-11-03: 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 the following Diagnostic Trouble Codes \(DTCs\) have been set:P1D7F\-00 \- ETC Self\-Learning Failure. P0000\-00 \- Will be displayed but should really be displaying P0326\-00 \(Knock Sensor 1 Circuit Performance\).
- [10121798](https://open.wenmarpro.com/bulletins/10121798), 2017-11-03: Flash: Powertrain Diagnostic and System Enhancements 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 the following DTCs have been set:P1D7F\-00 \- ETC Self\-Learning Failure. P0141\-00 \- O2 Sensor 1/2 Heater Performance. P1523\-00 \- VVA Low Oil Pressure. 1524\-00 \- Oil Pressure Out Of Range \- Camshaft Advance/Retard Disabled. P0000\-00 \- will be displayed but should really be displaying P0326\-00 \(Knock Sensor 1 Circuit Performance\).