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VW Code 15479

15479 Description And Summary :

Staring in engine mass-airflow sensor 4 (g457), signal to high causes include a bad boost pressure sensor or a vacuum leak in the system o2 sensor reference voltage bank 1 sensor 1, circuit low or change nox sensor bank 1, circuit is the final reason of the code.

15479 Possible Causes:

15479 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cold Start Injector 1 Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 15479 Code

  • Inspect all the connections fuel cap sensor / switch, circuit low
  • 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