17026/P0642/001602

17026/P0642/001602 - Sensor Reference Voltage A: Circuit: Low

Possible Causes

• Control Module and/or Sensor Power Supply faulty

Possible Solutions

• Check Control Module and/or Sensor Power Supply

Special Notes

• When found in Engine: 2.0l TFSI
  • Check Wiring from/to the following Components and Components themselves:
    • Manifold Pressure / Boost Sensor (G31)
    • Intake Manifold Tuning Valve Position Sensor (G336)
    • Low Pressure Fuel Sensor (G410)
  • 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
    • 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.