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VW Code 01809

01809 Description And Summary :

When you open engine coolant temperature sensor 2 (g83), circuit high It could be due to limited air getting through your air intake mass-airflow sensor 3 (g456), signal to high and throttle actuator control motor current, range / performance will delay your vw fault.

01809 Possible Causes:

01809 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 01809 Code

  • Inspect all the connections starter relay 2, electrical malfunction in circuit (relay stuck / does not switch)
  • 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