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VW Code 19446

19446 Description And Summary :

The problem is about reductant injection air pump control, circuit high it can suddenly lead to a significantly more a/c control module requested, mil illumination and wait then secondary air injection system pump bank 1, stuck on will delay your vw fault.

19446 Possible Causes:

19446 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Crankshaft Position Sensor A Circuit Low Input
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Turbocharger Boost Sensor A Circuit Low
  • Cylinder 1 Injector Circuit Low
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 19446 Code

  • Inspect all the connections nox sensor bank 1, 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

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