P2004 OBD Code Description:

Possible Causes

• Vacuum leak
• Faulty Intake Manifold Runner Position Sensor1 (G336)
• Intake Manifold Runner binding or sticking

Possible Solutions

• Replaced failed vacuum line
• Check Intake Manifold Runner Position Sensor 1 (G336) and wiring, see repair manual
• Check Intake Manifold Flap
  • Use Output Test
  • Perform Basic Setting (Switch Ignition OFF between Output Test and Basic Setting)

Tech Notes

• When found in Engine: 2.0l TFSI
  • Perform Basic Setting.
  • Check TPL 2016420 (RoW)
    • Check Engine Control Module Software Version, if necessary perform Update.
    • Replace Intake Manifold Runner (V157) with updated part.
  • Check TSB 01-08-12 or 2018402 (NAR) North American Region vehicles only.
    • Check Engine Control Module Software Version, if necessary perform Update.
    • Replace Intake Manifold Runner (V157) with updated part.
    • Additional information may be found by searching RVU 24M2 / O3 (Exp. date November 30, 2011) or calling the VW dealer and checking the VIN.