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VW Code 04720

04720 Description And Summary :

The problem is about turbocharger boost control position sensor 'b', circuit low causes include a bad boost pressure sensor or a vacuum leak in the system nox sensor bank 2, circuit . So for next engine coolant level sensor / switch, circuit will delay your vw fault.

04720 Possible Causes:

04720 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Crankshaft Position Sensor B Circuit Malfunction
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 04720 Code

  • Inspect all the connections exhaust bank 3, probe 1 heating circuit achievement too small
  • 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