Affected Component: ENGINE AND ENGINE COOLING

Date Published
JAN 10, 2019
NHTSA TSB #
10153312
TSB Document
Summary
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.