# P0456 on the 2021 Honda Odyssey

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

- [10203447](https://open.wenmarpro.com/bulletins/10203447), 2021-11-09: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.
- [10202284](https://open.wenmarpro.com/bulletins/10202284), 2021-10-16: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.
- [10201453](https://open.wenmarpro.com/bulletins/10201453), 2021-09-15: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.
- [10200844](https://open.wenmarpro.com/bulletins/10200844), 2021-09-02: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.
- [10200412](https://open.wenmarpro.com/bulletins/10200412), 2021-08-17: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.
- [10199455](https://open.wenmarpro.com/bulletins/10199455), 2021-07-27: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.
- [10199454](https://open.wenmarpro.com/bulletins/10199454), 2021-07-27: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.
- [10199319](https://open.wenmarpro.com/bulletins/10199319), 2021-07-20: Dealer Message \- American Honda Motor Co., Inc. \(AHM\) is searching for certain 2020\-2021 Odysseys with a customer complaint of fuel smell and/or MIL on with DTC P0456 \(EVAP System Very Small Leak Detected\) stored. To better understand the cause of this condition, AHM would like to inspect \& collect specific information from the vehicle prior to you attempting a repair of any kind.