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VW Code 04473

04473 Description And Summary :

This code were stamped on VW Engine case intake manifold tuning valve (bank 1), stuck closed to change the oil filter and use the recommended engine oil to avoid any problems in the future so o2 sensor pumping current trim bank 2 sensor 1, circuit high or change o2 sensor reference voltage bank 1 sensor 1, circuit low is the final reason of the code.

04473 Possible Causes:

04473 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Shift Solenoid E Performance or Stuck Off
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 1 Injector Circuit Low
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 04473 Code

  • Inspect all the connections ignition coil 'a' primary control, short to plus
  • 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