DTC P2004 Intake Manifold Runner Control Stuck Open (Bank 1): DTC Detecting Condition

WARNING: This page is about a different car, the 2013 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Immediately at fault recognition
GENERAL DESCRIPTION < Refer to DTC P2004 INTAKE MANIFOLD RUNNER CONTROL STUCK OPEN (BANK 1) , Diagnostic Trouble Code (DTC) Detecting Criteria. >

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode < Refer to OPERATION , Clear Memory Mode. > and Inspection Mode < Refer to PROCEDURE , Inspection Mode. >.