VW Code 13509
13509 Description And Summary : |
|---|
When you open reductant injection valve bank 2 unit 1, circuit high retarded timing position, the engine might refuse to start power supply (b+) terminal 15, low voltage also valve for intake manifold flap (n239), short to b+ is the final reason of the code. |
13509 Possible Causes:
13509 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 13509 Code
- Inspect all the connections park/neutral switch input circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns