Intake Manifold Runner Control Circuit/Open Bank 2
What it means
P2011 means the powertrain control module detected an open (or otherwise faulty) circuit for the intake manifold runner control on bank 2. These runners tune intake airflow across the rpm range, so a fault usually shows up as reduced power, rough idle, or hesitation rather than a no-start. Common causes are broken wiring, a failed actuator, or carbon-jammed flaps.
Can I keep driving? Yes, but you may notice reduced power, rough idle, or hesitation. The engine still starts and runs; drive it gently and repair soon to restore performance and pass emissions.
Real-world scan data
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
Common symptoms
What you'll notice
- Check-engine light on
- Reduced power, especially at low or high rpm
- Rough idle or hesitation
- Slight drop in fuel economy
Common causes
Most likely first
- Open or shorted wiring in the intake manifold runner control (IMRC) circuitLikely
- Faulty IMRC actuator or solenoid on bank 2Common
- Stuck or seized runner flaps due to carbon buildupCommon
- Blocked or leaking vacuum hoses to the IMRC actuatorLess often
- Faulty powertrain control module (PCM)Less often
How to diagnose & fix
Work through it in order
- Read freeze-frame data and visually inspect the IMRC wiring and connectors on bank 2 for opens, shorts, and corrosion.
- Check vacuum lines to the runner control actuator for leaks or blockage.
- Test the IMRC actuator/solenoid operation and the runner flaps for free movement; clean carbon or replace as needed.
- Repair any damaged wiring, clear the code, and re-test.
- If the circuit and actuator are good, have the PCM diagnosed.
FAQ
Quick answers
Is it safe to drive with P2011?+
Can I just clear P2011?+
Related codes
Read & clear P2011 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.