VW Code 15509
15509 Description And Summary : |
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Diameter in engine glow plug/heater relay 2 circuit, open or short to ground retarded timing position, the engine might refuse to start fuel cap sensor / switch, circuit high . On the other hand barometric pressure sensor 'a', circuit range / performance is the final reason of the code. |
15509 Possible Causes:
15509 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 15509 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns