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

P2008

Intake Manifold Runner Control Solenoid Circuit Open (Bank 1)

The ECU detects an open circuit on the IMRC solenoid for bank 1. No control current flows when the runner is commanded to switch, leaving the flap in its default position.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 08

Possible causes

  • Solenoid coil open high
  • Connector unplugged or corroded medium
  • Pin pushed back out of connector body low

Inspection / repair

  • Difficulty: easy
  • DIY: possible
  • Estimated cost: 30–250 €
  • Estimated time: 0.3–1.5 h
  • Component: imrc solenoid
  • Component: imrc wiring
  • Component: ecm
  • MIL / check engine light
  • emissions-relevant
  • drive cycle required

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