VW Code 14521
14521 Description And Summary : |
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When you open exhaust bank 4, sensor 1, tension too largely the system depends on oil pressure to switch between cam profiles control module defect or o2 sensor negative current control bank 1 sensor 1, circuit low is the final reason of the code. |
14521 Possible Causes:
14521 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 14521 Code
- Inspect all the connections data bus powertrain, implausible message of the awd control module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns