OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

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.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 11

Possible causes

  • Open wiring or chafed conductor in IMRC harness high
  • Connector corroded — high resistance contact medium
  • Actuator solenoid winding open medium

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 40–400 €
  • Estimated time: 0.5–2 h
  • Component: imrc actuator
  • Component: intake manifold runner harness
  • MIL / check engine light
  • emissions-relevant

Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication