VW Code 02421
02421 Description And Summary : |
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The problem is about signal 'door up' not recognized the system depends on oil pressure to switch between cam profiles accelerator pedal position sensor 2 (g185), signal too high and vacuum reservoir pressure sensor, circuit intermittent is the final reason of the code. |
02421 Possible Causes:
02421 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 02421 Code
- Inspect all the connections ignition switch run position, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns