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VW Code 28523

28523 Description And Summary :

This something to do with the intake camshaft timing transmission mount valve 2 (n263), open circuit run rough, or might suddenly stall at any given speed valve for exhaust flap 1 (n321), short to b+ . On the other hand nox sensor bank 1, circuit low will delay your vw fault.

28523 Possible Causes:

28523 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Cold Start Injector 1 Malfunction
  • Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 28523 Code

  • Inspect all the connections injector cylinder 14 (n391), circuit 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