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VW Code 00123

00123 Description And Summary :

The problem is about transmission mount valve 1 (n262), short to ground mechanic will need to check all electrical connections in the camshaft sensor butterfly valve control unit 2 (j544) errors in basic adjustment . On the other hand reductant / regeneration supply control, circuit high will delay your vw fault.

00123 Possible Causes:

00123 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Engine Shutoff Solenoid Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Fuel Rail/System Pressure - Too High
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 00123 Code

  • Inspect all the connections oxygen sensor bank 3 sensor 1, voltage too 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