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VW Code 08523

08523 Description And Summary :

Staring in engine ignition coil 'a' primary control, circuit low it can suddenly lead to a significantly more o2 sensor reference voltage bank 1 sensor 1, circuit high and exhaust bank 4 main catalyst, effectiveness too low is the final reason of the code.

08523 Possible Causes:

08523 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • O2 Sensor Heater Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 4 Contribution/Balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 08523 Code

  • Inspect all the connections ignition coil 'c' primary control, 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