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

P2DF0

Intake Valve Lift Range/Performance Bank 1

The variable intake valve lift system reports range/performance fault on bank 1. Multiple cylinders or system-wide deviation.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / F0

Possible causes

  • System-wide mechanism wear high
  • Engine oil pressure low medium
  • Sensor element aged beyond calibration window low

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended
  • Estimated cost: 600–4000 €
  • Estimated time: 3–14 h
  • Component: intake valve lift system
  • Component: vvt system
  • MIL / check engine light
  • emissions-relevant
  • limp mode possible

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