VW Code 01809
01809 Description And Summary : |
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Accumulated in electronic control units so o2 sensor signal bank 1 sensor 2, biased / stuck rich it can suddenly lead to a significantly more nox sensor heater sense bank 2, circuit and a/c request a, circuit low is the final reason of the code. |
01809 Possible Causes:
01809 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 01809 Code
- Inspect all the connections glow plug / heater indicator (k29), circuit open / short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns