# C2020 on the 2016 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 C2020

- [10217418](https://open.wenmarpro.com/bulletins/10217418), 2022-08-08: Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10217397](https://open.wenmarpro.com/bulletins/10217397), 2022-08-08: Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10217396](https://open.wenmarpro.com/bulletins/10217396), 2022-08-08: Flash: Drivetrain Control Module C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10216180](https://open.wenmarpro.com/bulletins/10216180), 2022-07-25: Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10216159](https://open.wenmarpro.com/bulletins/10216159), 2022-07-25: Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10216158](https://open.wenmarpro.com/bulletins/10216158), 2022-07-25: Flash: Drivetrain Control Module C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10151761](https://open.wenmarpro.com/bulletins/10151761), 2018-12-17: Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10151740](https://open.wenmarpro.com/bulletins/10151740), 2018-12-17: Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10151739](https://open.wenmarpro.com/bulletins/10151739), 2018-12-17: Flash: Drivetrain Control Module C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.
- [10148962](https://open.wenmarpro.com/bulletins/10148962), 2018-11-26: Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.