MAZDA
01-005-19-3548
Manufacturer communications
- Publication date
- 2019-01-10
- Received by NHTSA
- 2019-02-19
- NHTSA record numbers
- 10153312
Manufacturer summary
Original wording in English
Some vehicles may exhibit the check engine light on with DTC P0456 stored in the PCM memory. P0456: EVAP system leak detected (very small leak). The concern is most likely the result of the customer not getting the fuel cap completely closed after fueling the vehicle. This causes a small fuel vapor leak and turns DTC P0456 on.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Mazda
P0456EVAP system leak detected (very small leak)Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.