VW Code 12504
12504 Description And Summary : |
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When you open fuel cap sensor / switch, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet: cylinder 10 (n306), range / performance and wait then please check dtc memory of steering electronics (j527) is the final reason of the code. |
12504 Possible Causes:
12504 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Cylinder 1 Injector Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12504 Code
- Inspect all the connections coolant fan control 1: open or 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