P2011
Intake Manifold Runner Control Circuit/Open (Bank 2)
The IMRC actuator drive circuit on bank 2 is open or has lost continuity — control module no longer detects a closing path through the actuator winding.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Open wiring or chafed conductor in IMRC harnessCommon
- Connector corroded — high resistance contactPossible
- Actuator solenoid winding openPossible
Parts involved
- IMRC Actuator
- Intake Manifold Runner Harness
P2011 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.