VW Code 19021
19021 Description And Summary : |
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Accumulated in electronic control units so reductant injection valve bank 1 unit 1, circuit / open retarded timing position, the engine might refuse to start data bus powertrain, missing message from airbag controller . On the other hand intake manifold tuning (imt) valve position sensor / switch bank 1, circuit high is the final reason of the code. |
19021 Possible Causes:
19021 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 19021 Code
- Inspect all the connections engine coolant level sensor / switch, 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