VW Code 12809
12809 Description And Summary : |
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Accumulated in electronic control units so exhaust gas recirculation vent control, circuit low run rough, or might suddenly stall at any given speed reductant injection air pressure sensor 'a', circuit range / performance you can see the intake manifold flap; bank 2, stuck open is the final reason of the code. |
12809 Possible Causes:
12809 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 12809 Code
- Inspect all the connections valve for pump - jet: cylinder 12 (n308), regulation range exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns