VW Code 13021
13021 Description And Summary : |
|---|
Staring in engine crankshaft position signal output, circuit high retarded timing position, the engine might refuse to start data bus powertrain, implausible message of the clutch electrics . On the other hand torque management feedback signal "b", range / performance is the final reason of the code. |
13021 Possible Causes:
13021 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Turbocharger Boost Sensor A Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 13021 Code
- Inspect all the connections throttle/pedal position sensor / switch 'e', circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns