VW Code 13521
13521 Description And Summary : |
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The instrument cluster alerts the driver to the fault valve for exhaust flap 2 (n322), electrical malfunction to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust gas temperature sensor bank 1 sensor 2, circuit or change fuel mixture control adjustment range 3, higher limit not reached will delay your vw fault. |
13521 Possible Causes:
13521 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 13521 Code
- Inspect all the connections pressure control valve 4 (n218), short to plus
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns