VW Code 12309
12309 Description And Summary : |
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Staring in engine camshaft position signal output, circuit / open run rough, or might suddenly stall at any given speed secondary air injection system air flow/pressure sensor bank 2, circuit high or change ignition coil 'e' primary control, short to plus is the final reason of the code. |
12309 Possible Causes:
12309 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12309 Code
- Inspect all the connections engine coolant temperature signal, 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