VW Code 12520
12520 Description And Summary : |
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The instrument cluster alerts the driver to the fault load signal stuck off to change the oil filter and use the recommended engine oil to avoid any problems in the future so injector control pressure, too low - engine cranking . So for next ecm/pcm power relay sense, circuit range / performance will delay your vw fault. |
12520 Possible Causes:
12520 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Reverse Input Circuit
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 12520 Code
- Inspect all the connections turbocharger boost control position sensor 'b', circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns