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VW Code 18559

18559 Description And Summary :

When you open relay 2 for power supply (b+)terminal 30, range/performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox sensor heater control bank 1, circuit high and wait then exhaust gas temperature sensor bank 2 sensor 2, circuit high will delay your vw fault.

18559 Possible Causes:

18559 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Injector Circuit Malfunction - Cylinders
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Reverse Input Circuit
  • Ambient Air Temperature Sensor Circuit Low
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 18559 Code

  • Inspect all the connections throttle/pedal position sensor 'c', minimum stop performance
  • 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