# P0456 on the 2023 Volkswagen Jetta

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0456

- [11020321](https://open.wenmarpro.com/bulletins/11020321), 2025-07-08: DTC P0456 \& Update programming for Engine/Motor Control Module
- [11020320](https://open.wenmarpro.com/bulletins/11020320), 2025-07-08: DTC P0456 \& Update programming for Engine/Motor Control Module
- [11020319](https://open.wenmarpro.com/bulletins/11020319), 2025-07-08: Software update for DTC P0456
- [10241205](https://open.wenmarpro.com/bulletins/10241205), 2023-09-01: Customer states MIL\-on, P2421 stored in ECM memory Customer states MIL\-on, P2402 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0456 and/or P0442 stored in ECM memory Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract
- [10241203](https://open.wenmarpro.com/bulletins/10241203), 2023-09-01: Customer states MIL\-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0456 and/or P0442 stored in ECM memory Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract
- [10241202](https://open.wenmarpro.com/bulletins/10241202), 2023-09-01: Customer states MIL\-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0456 and/or P0442 stored in ECM memory Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract Customer states airbag light on
- [10241201](https://open.wenmarpro.com/bulletins/10241201), 2023-09-01: Customer states MIL\-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0456 and/or P0442 stored in ECM memory Customer states condensation in the taillights Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract Customer states airbag light on
- [10240133](https://open.wenmarpro.com/bulletins/10240133), 2023-08-04: Customer states MIL\-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0456 and/or P0442 stored in ECM memory Customer states condensation in the taillights Customer states sun visor is loose/broken Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract
- [10239660](https://open.wenmarpro.com/bulletins/10239660), 2023-08-04: Customer states MIL\-on, P0442 stored in ECM memory Customer states rattle from below the vehicle Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0456 and/or P0442 stored in ECM memory Customer states condensation in the taillights Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract
- [10238304](https://open.wenmarpro.com/bulletins/10238304), 2023-07-10: Customer states MIL\-on, P0442 stored in ECM memory Customer states MIL\-on, fault P04F0 stored in ECM memory Customer states MIL\-on, fault P0456 and/or P0442 stored in ECM memory Customer states condensation in the taillights Customer states seat memory is inoperative Customer states key FOB lock/unlock functions do not work via button press \(not KESSY\) Customer states seat memory is inoperative Customer states seat belt won't retract