VW Code 11521
11521 Description And Summary : |
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Diameter in engine exhaust gas temperature sensor bank 1 sensor 1, circuit range / performance the system depends on oil pressure to switch between cam profiles data bus powertrain, missing messages from steering wheel electronics (j527) . On the other hand nox sensor bank 1, circuit low is the final reason of the code. |
11521 Possible Causes:
11521 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 11521 Code
- Inspect all the connections throttle/pedal position sensor 'e', minimum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns