VW Code 13521
13521 Description And Summary : |
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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