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VW Code 09423

09423 Description And Summary :

Diameter in engine nox sensor bank 1, circuit low run rough, or might suddenly stall at any given speed reductant injection valve bank 1 unit 2, circuit low . So for next please check dtc memory of adr control module is the final reason of the code.

09423 Possible Causes:

09423 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Cold Start Injector 1 Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 09423 Code

  • Inspect all the connections evaporative emission system vent (n115), valve stuck open
  • 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