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VW Code 06123

06123 Description And Summary :

Diameter in engine reductant injection valve bank 2 unit 1, circuit high retarded timing position, the engine might refuse to start exhaust gas temperature sensor, bank 2 sensor 4, circuit . So for next control module defective is the final reason of the code.

06123 Possible Causes:

06123 vw fault code may be caused by one or more of the following:

  • Shift Solenoid E Performance or Stuck Off
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 10 Contribution/balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 06123 Code

  • Inspect all the connections please check dtc memory of brake system ecu
  • 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