# P1DD2 on the 2019 Fiat 500X

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 P1DD2

- [10175586](https://open.wenmarpro.com/bulletins/10175586), 2020-05-26: Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find oneor more of the following Diagnostic Trouble Codes \(DTCs\) have been set:P0780 \- Gear Shift Malfunction. P1DD2\-00 \- Torque Request Signal From TCM Denied. Customers or technicians may experience the following:Transmission will be placed into Limp\-in mode. While driving at 65 kph \(40 mph\) a bump will be felt and the RPM will jumpto 4000 RPM.
- [10175173](https://open.wenmarpro.com/bulletins/10175173), 2020-05-18: Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find oneor more of the following Diagnostic Trouble Codes \(DTCs\) have been set:P0780 \- Gear Shift Malfunction. P1DD2\-00 \- Torque Request Signal From TCM Denied. Customers or technicians may experience the following:Transmission will be placed into Limp\-in mode. While driving at 65 kph \(40 mph\) a bump will be felt and the RPM will jumpto 4000 RPM.
- [10174253](https://open.wenmarpro.com/bulletins/10174253), 2020-04-27: Flash: Transmission Control Module \(TCM\) Updates This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0780 \- Gear Shift Malfunction. P1DD2\-00 \- Torque Request Signal From TCM Denied. Customers or technicians may experience the following: Transmission will be placed into Limp\-in mode. While driving at 65 kph \(40 mph\) a bump will be felt and the RPM will jump to 4000 RPM.