VW Code 09859
09859 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system pump bank 2, stuck on the system depends on oil pressure to switch between cam profiles control module 2 for cooling fan, excess temperature . So for next data bus powertrain, implausible message from control module level control will delay your vw fault. |
09859 Possible Causes:
09859 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 09859 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, 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