Pinpoint Test B : DTC P04B0: Notes
Possible Causes
- Wiring, terminals and connectors
Visual Inspection and Diagnostic Pre-checks
- Fuel Vapor Vent Valve FVVV (also known as Refueling Valve)
NOTE:
P04B0 is caused when the refuel valve control circuit is Open
This diagnostic runs when the cabin refuel button is pressed to open the refueling valve to allow the vehicle to be fueled without spit back.