VW Code 19780
19780 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection system switching valve bank 1, stuck open It could be due to limited air getting through your air intake reductant temperature sensor, circuit intermittent you can see the sensor 3 for intake air temperature (g520), signal low is the final reason of the code. |
19780 Possible Causes:
19780 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 19780 Code
- Inspect all the connections data-bus powertrain, missing message from level control module (j197)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns