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

P207E

Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit Intermittent (Bank 2)

IMT position sensor at bank 2 signal is unstable — connector or harness issue. The intake manifold runner control (IMRC) flaps tune intake geometry for filling efficiency across the rpm range; stuck flaps cost part-load torque and can set lean codes.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 7E

Possible causes

  • Intermittent connector high
  • Connector with intermittent contact under vibration low
  • Harness routed against vibrating component low

Inspection / repair

  • Difficulty: medium
  • DIY: possible
  • Estimated cost: 40–400 €
  • Estimated time: 0.5–2 h
  • Component: imt position sensor
  • 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