Error code

OBD2 P2011

OBD2P2011
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Intake Manifold Runner Control Circuit/Open.

Severity

moderateCan drive, but performance issues may occur.

Summary

Code P2011 indicates an open circuit in the intake manifold runner control (IMRC) actuator or solenoid on bank 2 of the engine.

Common Causes

  • Damaged, burnt, shorted, disconnected, or corroded wiring and/or connectors
  • Blown fuses due to sticky or frozen IMRC flaps
  • Defective IMRC position switch
  • Defective electrically operated IMRC actuator
  • Failed PCM (rare)

Diagnosis

  1. Inspect and test the electrical control circuit for open circuits.
  2. Check for blown fuses related to IMRC system.
  3. Remove intake manifold to inspect mechanical components if necessary.

Fixes

  • Replace damaged wiring, connectors, or faulty parts identified during diagnosis.

FAQ

What does the IMRC system do?

The IMRC system controls airflow inside the intake manifold to improve engine efficiency and reduce emissions by adjusting runner flaps based on operating conditions.

How can I prevent this issue from happening again?

Regular maintenance, such as cleaning carbon deposits from the IMRC flaps, can help prevent mechanical failures that lead to electrical issues.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.