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VW Code 04398

04398 Description And Summary :

The problem is about diesel particulate filter pressure sensor 'a', circuit range / performance the system depends on oil pressure to switch between cam profiles angle sensors 1 for butterfly valve drive 2 (g297), signal too small you can see the fuel injection valve 2 (n367), open circuit is the final reason of the code.

04398 Possible Causes:

04398 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 04398 Code

  • Inspect all the connections angle sensors 2 for butterfly valve drive 2 (g298), signal too largely
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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