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VW Code 01901

01901 Description And Summary :

Diameter in engine turbocharger (tc)control module 2, faulty the system depends on oil pressure to switch between cam profiles ignition coil 'l' primary control, circuit low or exhaust bank 3 mixture adaptation range 3, lean limit not reached will delay your vw fault.

01901 Possible Causes:

01901 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 10 Contribution/balance Fault
  • Engine Shutoff Solenoid Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 01901 Code

  • Inspect all the connections nox sensor bank 1, circuit intermittent
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range