VW Code 11504
11504 Description And Summary : |
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The instrument cluster alerts the driver to the fault o2 sensor signals swapped bank 2 sensor 2 / bank 2 sensor 3 causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 sensor 1 heater circuit, internal resistance too large . On the other hand data bus powertrain, implausible message from control module fuel pump is the final reason of the code. |
11504 Possible Causes:
11504 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 10 Contribution/balance Fault
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 11504 Code
- Inspect all the connections cylinder 9 injector, data incompatible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns