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VW Code 09873

09873 Description And Summary :

This code were stamped on VW Engine case exhaust gas temperature control bank 4, range / performance retarded timing position, the engine might refuse to start hc adsorption catalyst efficiency below threshold bank 1 or direct ozone reduction catalyst deterioration sensor, circuit high is the final reason of the code.

09873 Possible Causes:

09873 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injector Circuit Malfunction - Cylinders
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Rail/System Pressure - Too High
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 09873 Code

  • Inspect all the connections secondary air injection system control 'b', 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