VW Code 12009
12009 Description And Summary : |
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Diameter in engine coolant pump control, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 2 sensor 3, circuit high . So for next pressure sensor for brake boost (g294), short to plus is the final reason of the code. |
12009 Possible Causes:
12009 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Reverse Input Circuit
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12009 Code
- Inspect all the connections crankshaft position signal output, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns