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VW Code 02809

02809 Description And Summary :

The problem is about nox sensor heater sense bank 2, circuit the system depends on oil pressure to switch between cam profiles supply voltage for fuel injector group a, short to b+ . On the other hand oxygen (lambda) sensor b1 s2, signal shorted to heater circuit will delay your vw fault.

02809 Possible Causes:

02809 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault

What To Check After Fixing 02809 Code

  • Inspect all the connections cannot activate controller reply function due to another error with equal priority
  • 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