VW Code 19021
19021 Description And Summary : |
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The problem is about control unit programming communication error It could be due to limited air getting through your air intake coolant (fc) fan control module (j293), malfunction also o2 sensor pumping current trim bank 1 sensor 1, circuit / open is the final reason of the code. |
19021 Possible Causes:
19021 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 19021 Code
- Inspect all the connections throttle position output, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns