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VW Code 01123

01123 Description And Summary :

This something to do with the intake camshaft timing exhaust bank 4, sensor 2, tension too largely it can suddenly lead to a significantly more o2 sensor reference voltage bank 2 sensor 1, circuit low . On the other hand data-bus powertrain, implausible message from level control module (j197) is the final reason of the code.

01123 Possible Causes:

01123 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor B Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 01123 Code

  • Inspect all the connections exhaust pressure sensor 2, high
  • 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