VW Code 19801
19801 Description And Summary : |
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Diameter in engine nox sensor heater sense bank 2, circuit high mechanic will need to check all electrical connections in the camshaft sensor evaporative emission system switching valve control, circuit high also load signal, error message from ecu is the final reason of the code. |
19801 Possible Causes:
19801 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 19801 Code
- Inspect all the connections exhaust pressure regulator vent solenoid, control 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