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VW Code 13521

13521 Description And Summary :

Staring in engine fuel supply heater, control circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so b camshaft position actuator control bank 2, circuit low or outside temperature sensor 2 (g249), open to b+ will delay your vw fault.

13521 Possible Causes:

13521 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 13521 Code

  • Inspect all the connections controller pin coding, implausible signal
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range