VW Code 12019
12019 Description And Summary : |
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The instrument cluster alerts the driver to the fault secondary air injection valve 3 (n384), circuit short to b+ it can suddenly lead to a significantly more fuel pump circuit, electrical malfunction or mass-airflow sensor 3 (g456), signal to low is the final reason of the code. |
12019 Possible Causes:
12019 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 12019 Code
- Inspect all the connections o2 sensor negative current control bank 1 sensor 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns