Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Date Published
MAY 11, 2018
NHTSA TSB #
10142517
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 fuelingthe vehicle. This causes a small fuel vapor leak and turns DTC P0456 on.