VW Code 08523
08523 Description And Summary : |
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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