DTC P0456 Or DTC P1456: Notes
Code Definition
- DTC P0456: EVAP Control System (Very Small Leak - Negative Pressure)
- DTC P1456: EVAP Control System (Small Leak - Positive Pressure)
NOTE:
If DTC P0456/P1456 is present with P0442, perform diagnosis for DTC P0456/1456 first.
NOTE:
Before performing diagnostic procedure, follow testing procedure. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM.