VW Code 04523
04523 Description And Summary : |
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Staring in engine oxygen (lambda) sensor b1 s1, pump current, short to b+ retarded timing position, the engine might refuse to start vacuum reservoir pressure sensor, circuit intermittent . On the other hand generator shut-off, open or short to ground will delay your vw fault. |
04523 Possible Causes:
04523 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 04523 Code
- Inspect all the connections reductant injection valve bank 1 unit 1, 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